Decide if each equation is true or false.
1.7.8= 56
2.-7. =56
3.-7.-8 = -56
4.-7.-8=56
5.3.5. 12 = 42
6.-3.5.-12 = -42
7.-3.5.-12 = 42
8.-12. = 42

Answers:

1. True

2. False

3. False

4. True

5. True

6. False

7. True

8. False

                                         Key:

                       Positive x Positive = Positive

                       Negative x Negative = Positive

                       Negative x Positive = Negative

                       Positive x Negative = Negative

Hope this helps :)

p.s. Can u give me Brainliest? I'm in 5th grade but doing 6th grade math.

Anyways enjoy the rest of your day!

y=−9/2x+10

step-by-step explanation:

let's solve for y.

0−9x−2y=−20

step 1: add 9x to both sides.

−9x−2y+9x=−20+9x

−2y=9x−20

step 2: divide both sides by -2.

−2y

−2

=

9x−20

−2

y=

−9

2

x+10

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