Question

Which algebraic expression is equivalent to the expression below?

(17x + 7) - 5x
A.17x + 2
B.22x + 7
C.12x + 7
D.12x - 7

Answer 1

@MAli13chineta

Answer 2

Oh, this one is easy!

Answer 3

THANK YOU

Answer 4

can you help me with 5 of them?

Answer 5

for fan and medals

Answer 6

just do 17x-5x because they're like terms, and that gives you 12x+7. that's the same expression

Answer 7

17

Answer 8

7

Answer 9

Sorry, I was alittle slow..

Answer 10

17x+7-5x?

Answer 11

its ok take all your time

Answer 12

yes, then since 17x and -5x are like terms, solve 17x-5x+7.

Answer 13

wait i think i got it

Answer 14

Thats for you to solve hun..

Answer 15

D?

Answer 16

@Keridavis

Answer 17

no, because 7 is positive still.

Answer 18

OH its C

Answer 19

right. :)

Answer 20

can you help me with more?

Answer 21

@iishineontheinside

Answer 22

sure

Answer 23

ok

Answer 24

Which algebraic expression is equivalent to the expression below?

9(10 + 5x) + 13
A.45x + 103
B.45x + 77
C.45x - 103
D.5x + 103

Answer 25

Alright, so for this one, 9 is outside the bracket of 10+5x. This means that you need to take 10 and multiply it by both terms in the bracket.

Answer 26

*take 9 and multiple it by both terms

Answer 27

will it be A?

Answer 28

yes

Answer 29

Which algebraic expression is equivalent to the expression below?

(2x + 11) + 9x
A.(2x + 9x) + 11
B.(2x + 11x) + 9
C.22x
D.(2x - 9x) + 11

Answer 30

Add a 1 infront of (2x + 11)
1 times 2x and 1 times 11
add both numbers with the X behind them together.

Answer 31

it's the same as the first question. this question is basically the same as 2x+11+9x because there isn't a coefficient outside of the brackets. 2x+9x+11 is equivalent to one of the expression answers.

Answer 32

B?

Answer 33

Well, the coefficient is technically 1 and not B

Answer 34

because the equation doesn't have a 9 or an 11x in it.

Answer 35

Oh A?

Answer 36

correct

Answer 37

Which algebraic expression is equivalent to the expression below?

7(4x - 4)
A.7x - 8
B.28x - 28
C.28x + 28
D.7x - 3

Answer 38

like the second question, multiply 7 by the terms inside the brackets.

Answer 39

C?

Answer 40

no, what's a negative number multiplied by a positive number?

Answer 41

the -4 is saying that 4 is negative

Answer 42

D

Answer 43

no, because you still need to multiply the coefficient by what's in the brackets.

Answer 44

what's 7 times 4x and 7 times -4?

Answer 45

give me a sec

Answer 46

B?

Answer 47

correct

Answer 48

7 ( 4x - 4) = 7 * 4x - 7 * 4 = 28x - 28