3x+12+5x-4=180

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Solution for 3x+12+5x-4=180 equation:


Simplifying
3x + 12 + 5x + -4 = 180

Reorder the terms:
12 + -4 + 3x + 5x = 180

Combine like terms: 12 + -4 = 8
8 + 3x + 5x = 180

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

Solving
8 + 8x = 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 + 8x = 180 + -8

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

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

Divide each side by '8'.
x = 21.5

Simplifying
x = 21.5

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