Question

I need to solve for x and y for the following equations: 2x-6y=12 2x+6y=24 For x I got x=9 How do I find y?

Answer 1

put x=9 in one of the equations and find y

Answer 2

so It would be 2x9-6y=12

Answer 3

yes

Answer 4

Then I'll add 18 to both sides right

Answer 5

subtract 18

Answer 6

Why subtract?

Answer 7

18-6y=12 subtract 18 to get rid of the 18 on the left handside

Answer 8

so my answer will be 1

Answer 9

yes

Answer 10

Thanks