2x-21+177=180

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Solution for 2x-21+177=180 equation:


Simplifying
2x + -21 + 177 = 180

Reorder the terms:
-21 + 177 + 2x = 180

Combine like terms: -21 + 177 = 156
156 + 2x = 180

Solving
156 + 2x = 180

Solving for variable 'x'.

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

Add '-156' to each side of the equation.
156 + -156 + 2x = 180 + -156

Combine like terms: 156 + -156 = 0
0 + 2x = 180 + -156
2x = 180 + -156

Combine like terms: 180 + -156 = 24
2x = 24

Divide each side by '2'.
x = 12

Simplifying
x = 12

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