Question

Use the rules for integer addition to simplify the expression. -5 + (+7) =

Answer 1

-5+7=7-5
can u do the rest?

Answer 2

a minus sign before 5 : -5

Answer 3

a plus sign before 7 : +7

Answer 4

yes does that mean its negative

Answer 5

yes !

Answer 6

yes, but the final answer's not

Answer 7

so the answer would be +2

Answer 8

if the signs are used before, they represent whether the quantity is positive or negative.
it got nothing to do wid subtraction or addition

Answer 9

thats right !

Answer 10

-5 : negative 5
+5 : positive 5

Answer 11

so when its -5 + (+7) = you would just go -5 + 7 and you get your answer?

Answer 12

subtraction/addition are binary operations. they require two numbers.

when the - or + symbol is used only on a number, they represent the number

Answer 13

yes

Answer 14

so why is the ( and ) there are they to just let you know that it is a positive number?

Answer 15

-5 + (+7)

=

(-5) + (+7)

=

-5 + 7

Answer 16

yes paranthesis is just for maintaining clarity here

Answer 17

see the second line,

how neatly it says, you need to add two numbers

Answer 18

ok so for -7 + (-4) =

Answer 19

would it be -11

Answer 20

yes !!

Answer 21

o ok this is easy

Answer 22

-7 + (-4)

=

(-7) + (-4)

=

-7 - 4

Answer 23

plus * minus = minus

Answer 24

we used that when removing paranthesis

Answer 25

ok wait i need help with one more

Answer 26

+12 + (-11) =

Answer 27

would it be +1

Answer 28

yes

Answer 29

let me knw if you need a practical analogy for this. il try and provide....

Answer 30

like,

(+12) + (+1)

means, adding 1 apple to 12 apples

Answer 31

(+12) + (-1)

what does it mean ?

Answer 32

ok i think i know this one just want to be 100% ok

Answer 33

Explain how to find the sum -64 + (+41) using a number line, then give the answer.

Answer 34

-65 + 41 = -24

Answer 35

wait dont jump

Answer 36

it asks for answer, thats right!

Answer 37

so is that right?

Answer 38

but it also asks to work out the answer on number line

Answer 39

i think you got the answer quickly by doing this :
1) i have to do -65+41
2) let me first find out, 65-41
3) then il add - sign to the answer

2a) 65-41 = 24
3a) so, the answer is -24

Answer 40

right ?