180=138+2x

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Solution for 180=138+2x equation:


Simplifying
180 = 138 + 2x

Solving
180 = 138 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
180 + -2x = 138 + 2x + -2x

Combine like terms: 2x + -2x = 0
180 + -2x = 138 + 0
180 + -2x = 138

Add '-180' to each side of the equation.
180 + -180 + -2x = 138 + -180

Combine like terms: 180 + -180 = 0
0 + -2x = 138 + -180
-2x = 138 + -180

Combine like terms: 138 + -180 = -42
-2x = -42

Divide each side by '-2'.
x = 21

Simplifying
x = 21

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