3x-1+x+12=180

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Solution for 3x-1+x+12=180 equation:


Simplifying
3x + -1 + x + 12 = 180

Reorder the terms:
-1 + 12 + 3x + x = 180

Combine like terms: -1 + 12 = 11
11 + 3x + x = 180

Combine like terms: 3x + x = 4x
11 + 4x = 180

Solving
11 + 4x = 180

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 4x = 180 + -11

Combine like terms: 11 + -11 = 0
0 + 4x = 180 + -11
4x = 180 + -11

Combine like terms: 180 + -11 = 169
4x = 169

Divide each side by '4'.
x = 42.25

Simplifying
x = 42.25

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