Respuesta :

Answer:

The solution is w=4

simply

-30

divide by 10

Answer:

W=4

Step-by-step explanation:

1 0 ( + 3 ) = 7 0

1 0 + 3 0 = 7 0

Subtract  30  from both sides of the equation

simplify

10w=40

Divide both sides of the equation by the same term

10/40

W=4