120=-20x

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Solution for 120=-20x equation:


Simplifying
120 = -20x

Solving
120 = -20x

Solving for variable 'x'.

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

Add '20x' to each side of the equation.
120 + 20x = -20x + 20x

Combine like terms: -20x + 20x = 0
120 + 20x = 0

Add '-120' to each side of the equation.
120 + -120 + 20x = 0 + -120

Combine like terms: 120 + -120 = 0
0 + 20x = 0 + -120
20x = 0 + -120

Combine like terms: 0 + -120 = -120
20x = -120

Divide each side by '20'.
x = -6

Simplifying
x = -6

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