Question

8x-2y=10. x=-1

Answer 1

8x - 2y = 10
8(-1) - 2y = 10
-8 - 2y = 10
-2y = 18
y = -9

Answer 2

3x-8y=5.x=15

Answer 3

3x - 8y = 5
3(15) - 8y = 5
45 - 8y = 5
-8y = -40
y = 5

Answer 4

-x+7y=8.x=6

Answer 5

-x + 7y = 8
-6 + 7y = 8
7y = 14
y = 2

Answer 6

-3x+6y=-21.x=-7

Answer 7

-3x + 6y = -21
-3(-7) + 6y = -21
21 + 6y = -21
6y = -42
y = -7

Answer 8

-4x+8y=-24. x=-24

Answer 9

@iGreen

Answer 10

-4x + 8y = -24
-4(-24) + 8y = -24
96 + 8y = -24
8y = -120
y = -15

Answer 11

How many more?

Answer 12

2

Answer 13

Kk, post.

Answer 14

x+3y=21. x=12

Answer 15

x + 3y = 21
12 + 3y = 21
3y = 9
y = 3

Answer 16

Ok i just figured it out thanks you were good help.