Question

Given 4x + y = 180, if y is 20 what is x?

Answer 1

40

Explanation:

Insert the number

4x + 20 = 180

Get the variable by its self

4x + 20 = 180

-20 -20

4x = 160

/4 /4

x = 40

if you want you can insert it into the problem to check