42+x+x+77+65=180

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Solution for 42+x+x+77+65=180 equation: 


Simplifying
42 + x + x + 77 + 65 = 180

Reorder the terms:
42 + 77 + 65 + x + x = 180

Combine like terms: 42 + 77 = 119
119 + 65 + x + x = 180

Combine like terms: 119 + 65 = 184
184 + x + x = 180

Combine like terms: x + x = 2x
184 + 2x = 180

Solving
184 + 2x = 180

Solving for variable 'x'.

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

Add '-184' to each side of the equation.
184 + -184 + 2x = 180 + -184

Combine like terms: 184 + -184 = 0
0 + 2x = 180 + -184
2x = 180 + -184

Combine like terms: 180 + -184 = -4
2x = -4

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

Simplifying
x = -2

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