Asked by Brandy

Solve using substitution method
3x+8y=20
x=24-7y
Answered by Ms. Sue
3x+8y=20
x=24-7y

3(24 - 7y) + 8y = 20

72 - 21y + 8y = 20

-13y = -52

y = 4

Substitute 4 for y in the first equation and solve.