2x+x+51=180

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Solution for 2x+x+51=180 equation: 


Simplifying
2x + x + 51 = 180

Reorder the terms:
51 + 2x + x = 180

Combine like terms: 2x + x = 3x
51 + 3x = 180

Solving
51 + 3x = 180

Solving for variable 'x'.

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

Add '-51' to each side of the equation.
51 + -51 + 3x = 180 + -51

Combine like terms: 51 + -51 = 0
0 + 3x = 180 + -51
3x = 180 + -51

Combine like terms: 180 + -51 = 129
3x = 129

Divide each side by '3'.
x = 43

Simplifying
x = 43

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