120x-58-100x=42

Solution for 120x-58-100x=42 equation:

Simplifying
120x + -58 + -100x = 42

Reorder the terms:
-58 + 120x + -100x = 42

Combine like terms: 120x + -100x = 20x
-58 + 20x = 42

Solving
-58 + 20x = 42

Solving for variable 'x'.

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

Add '58' to each side of the equation.
-58 + 58 + 20x = 42 + 58

Combine like terms: -58 + 58 = 0
0 + 20x = 42 + 58
20x = 42 + 58

Combine like terms: 42 + 58 = 100
20x = 100

Divide each side by '20'.
x = 5

Simplifying
x = 5