-128+11=x+42

Solution for -128+11=x+42 equation:

Simplifying
-128 + 11 = x + 42

Combine like terms: -128 + 11 = -117
-117 = x + 42

Reorder the terms:
-117 = 42 + x

Solving
-117 = 42 + 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.
-117 + -1x = 42 + x + -1x

Combine like terms: x + -1x = 0
-117 + -1x = 42 + 0
-117 + -1x = 42

Add '117' to each side of the equation.
-117 + 117 + -1x = 42 + 117

Combine like terms: -117 + 117 = 0
0 + -1x = 42 + 117
-1x = 42 + 117

Combine like terms: 42 + 117 = 159
-1x = 159

Divide each side by '-1'.
x = -159

Simplifying
x = -159