Question

Solve using Substitution:
7x+2y=-8
8y=4x

Answer 1

@jojo7

Answer 2

ok first change first equation to equal y

Answer 3

so y= -7/2x-4

Answer 4

now take y and place into 8y=4x

Answer 5

8 -7/2x-4=4x

Answer 6

continuing to solve yu get -28x-32=4x

Answer 7

-32=32x

Answer 8

x=-1

Answer 9

now take -1 and put into top equation

Answer 10

7(-1)+2y=-8

Answer 11

-7+2y=-8
2y=-1
y=-1/2

Answer 12

Thanks again!

Answer 13

was ur question mult. choice

Answer 14

Nope. :( its sample work.

Answer 15

oh ok well ur welcome :)