45+42+x=180

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Solution for 45+42+x=180 equation: 


Simplifying
45 + 42 + x = 180

Combine like terms: 45 + 42 = 87
87 + x = 180

Solving
87 + x = 180

Solving for variable 'x'.

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

Add '-87' to each side of the equation.
87 + -87 + x = 180 + -87

Combine like terms: 87 + -87 = 0
0 + x = 180 + -87
x = 180 + -87

Combine like terms: 180 + -87 = 93
x = 93

Simplifying
x = 93

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