42+x+x=180

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Solution for 42+x+x=180 equation: 


Simplifying
42 + x + x = 180

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

Solving
42 + 2x = 180

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 2x = 180 + -42

Combine like terms: 42 + -42 = 0
0 + 2x = 180 + -42
2x = 180 + -42

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

Divide each side by '2'.
x = 69

Simplifying
x = 69

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