770-890=120x

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Solution for 770-890=120x equation:


Simplifying
770 + -890 = 120x

Combine like terms: 770 + -890 = -120
-120 = 120x

Solving
-120 = 120x

Solving for variable 'x'.

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

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

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

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

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

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

Divide each side by '-120'.
x = -1

Simplifying
x = -1

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