3x+42+90=180

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Solution for 3x+42+90=180 equation: 


Simplifying
3x + 42 + 90 = 180

Reorder the terms:
42 + 90 + 3x = 180

Combine like terms: 42 + 90 = 132
132 + 3x = 180

Solving
132 + 3x = 180

Solving for variable 'x'.

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

Add '-132' to each side of the equation.
132 + -132 + 3x = 180 + -132

Combine like terms: 132 + -132 = 0
0 + 3x = 180 + -132
3x = 180 + -132

Combine like terms: 180 + -132 = 48
3x = 48

Divide each side by '3'.
x = 16

Simplifying
x = 16

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