42+28+38=x

Solution for 42+28+38=x equation:

Simplifying
42 + 28 + 38 = x

Combine like terms: 42 + 28 = 70
70 + 38 = x

Combine like terms: 70 + 38 = 108
108 = x

Solving
108 = x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
108 + -1x = x + -1x

Combine like terms: x + -1x = 0
108 + -1x = 0

Add '-108' to each side of the equation.
108 + -108 + -1x = 0 + -108

Combine like terms: 108 + -108 = 0
0 + -1x = 0 + -108
-1x = 0 + -108

Combine like terms: 0 + -108 = -108
-1x = -108

Divide each side by '-1'.
x = 108

Simplifying
x = 108