Question

cuanto da..... -9x=72
cuanto da 8y= -64

Answer 1

Resolver.

- 9x = 72
x = 72 / - 9
x = - 8


8y = - 64
y = - 64/8
y = - 8

Answer 2

1) -9x = 72 

    x = -8

2) 8y = -64
y = -8