Question

Need help, -22fg -4f -9fg -5f = 31fg - (-1f)

Is that correct?

Answer 1

@DanJS

Answer 2

@KendrickLamar2014

Answer 3

you mean, is the equality true as it is like that?

Answer 4

for a bunch of terms added or subtracted like that, you can combine together the ones with the same variables, looks like you got that ,
the number in front totals ,

-22fg -4f -9fg -5f = (-22 - 9)*fg + (-4 -5)*f

or

-31fg - 9f

Answer 5

@DanJS -22fg - 4f - 9f - 5f= -22fg + -9fg - 4f - 5f= 31fg - (4f - 5f)= 31fg - (-1f)

That's how I got it

Answer 6

9fg*

Answer 7

I did the subtraction rule for the second part and put the like terms together

Answer 8

i see,

-22 + (-9) = -22 - 9 = -31 for the fg term
not sure if you may just forgot the - sign

Answer 9

-4 - 5, you cant take the negative from just one of them and leave the other the same, if you want to pull out a -1 from both first you can

-4 - 5 = (-1)*( 4 + 5 ) = -1 * 9 = -9

Answer 10

so am I right?

Answer 11

you had a

-1*(4f - 5f), you changed the sign on the 5 to a plus term, = -4f + 5f in that case

Answer 12

it isn't -4f, that's a subtraction sign

Answer 13

to make it simpler, just always add things, and if the number is negative use a negative , like

... +( -4f - 5f) = ...+ (-9f)

Answer 14

so when there's a problem like that, that has subtraction signs, I always add?

Answer 15

subtraction is the same as addition

a - b = a + (-b)

addition of negative numbers

Answer 16

it is up to you, just total the numbers you need, if the term is written as subtraction, that is a negative number on that term

Answer 17

think of the number line, if you have a -22 and a -9

you move left -22 then left again -9, ending at -31

you added -9 to -22

Answer 18

same for -4 and -5

left 4, then left 5, ends at -9

Answer 19

@DanJS But since when was 4 and 5 negatives?

Answer 20

in the problem

Need help, -22fg -4f -9fg -5f

all 4 terms are negative

Answer 21

no, only -22fg is a negative, the rest are positives @DanJS

Answer 22

@Fuzzbro

Answer 23

alright lemme catch up.

Answer 24

Are you trying to simplify the equation?

Answer 25

Well I want to make sure my answer is correct

Answer 26

I believe it ends up being -31fg -(-9f)

Answer 27

how did you get 9?

Answer 28

Because 4+5 equals 9. So -4 plus -5 equals -9

Answer 29

But 4f-5f= -1 , right?

Answer 30

it's the 4 isn't positive, it's negative

Answer 31

how??

Answer 32

-4f -9fg -5f

Answer 33

that's how the question was typed :P

Answer 34

the 4 and 5 are negative

Answer 35

ok hold on

Answer 36

there

Answer 37

yup the 4 and 5 are both negative

Answer 38

But in k12 they would've put parenthesis right??

Answer 39

they'd make it clear i'm pretty sure

Answer 40

separate the fs and fgs

Answer 41

-4f -5f
-22fg -9fg

Answer 42

it's the same deal as with the fgs

Answer 43

so they're all negatives?

Answer 44

yup

Answer 45

well then how do I solve it?? I'm so confused

Answer 46

I'm pretty sure they're not all negatives, they'ed put commas in-between the numbers

Answer 47

whats -4 -5

Answer 48

if that were the case

Answer 49

-9

Answer 50

there is -9f

now what's -22 -9

Answer 51

-22 -9?

Answer 52

subtracting sign?

Answer 53

yeah
negative twenty two, minus 9

Answer 54

-31?

Answer 55

Yup!
so now you have -31fg -9f

Answer 56

just so you know a negative sign is just the same as a minus sign

Answer 57

subtracting any number from another number is like adding negatives to it

Answer 58

but double negatives, or subtracting with a negative sign too is like taking away negatives

Answer 59

thinking about the equation as a number line can help too

Answer 60

can u give me a example of when negatives are like subtraction signs?

Answer 61

lets say you have -3 and 7

Answer 62

the three is negative, if you added -3 to 7 what would it be

Answer 63

4?

Answer 64

exactly, subtracting is like adding a negative number to the number

Answer 65

oh, I see. So are you positive it's -31fg-9f?

Answer 66

100%

Answer 67

ok I hope I get a good score, brb

Answer 68

Combine like terms.

8 + 16r – 9r

A.
8 + 7r

B.
15r

C.
15

D.
8 – 7r

Wait, is this A?

Answer 69

yup

Answer 70

kk

Answer 71

one more

Answer 72

basically that question is 0.825 -0.5

Answer 73

so it would be 0.325x

Answer 74

you're correct

Answer 75

alright!

Answer 76

is that the end of the test?

Answer 77

YES

Answer 78

Got 100%!

Answer 79

Thank you so muchhh!

Answer 80

Yay :D

Answer 81

no problem at all :D

Answer 82

Ok i'm going to close the question

Answer 83

alright message me if you need anything

Answer 84

kk

Answer 85

i gtg for now though

Answer 86

oh bye~!