-x+120=4x+40

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Solution for -x+120=4x+40 equation:


Simplifying
-1x + 120 = 4x + 40

Reorder the terms:
120 + -1x = 4x + 40

Reorder the terms:
120 + -1x = 40 + 4x

Solving
120 + -1x = 40 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
120 + -1x + -4x = 40 + 4x + -4x

Combine like terms: -1x + -4x = -5x
120 + -5x = 40 + 4x + -4x

Combine like terms: 4x + -4x = 0
120 + -5x = 40 + 0
120 + -5x = 40

Add '-120' to each side of the equation.
120 + -120 + -5x = 40 + -120

Combine like terms: 120 + -120 = 0
0 + -5x = 40 + -120
-5x = 40 + -120

Combine like terms: 40 + -120 = -80
-5x = -80

Divide each side by '-5'.
x = 16

Simplifying
x = 16

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