3x+5x-12+x+20=180

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Solution for 3x+5x-12+x+20=180 equation:


Simplifying
3x + 5x + -12 + x + 20 = 180

Reorder the terms:
-12 + 20 + 3x + 5x + x = 180

Combine like terms: -12 + 20 = 8
8 + 3x + 5x + x = 180

Combine like terms: 3x + 5x = 8x
8 + 8x + x = 180

Combine like terms: 8x + x = 9x
8 + 9x = 180

Solving
8 + 9x = 180

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 9x = 180 + -8

Combine like terms: 8 + -8 = 0
0 + 9x = 180 + -8
9x = 180 + -8

Combine like terms: 180 + -8 = 172
9x = 172

Divide each side by '9'.
x = 19.11111111

Simplifying
x = 19.11111111

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