3x+12+5x-2+90=180

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Solution for 3x+12+5x-2+90=180 equation: 


Simplifying
3x + 12 + 5x + -2 + 90 = 180

Reorder the terms:
12 + -2 + 90 + 3x + 5x = 180

Combine like terms: 12 + -2 = 10
10 + 90 + 3x + 5x = 180

Combine like terms: 10 + 90 = 100
100 + 3x + 5x = 180

Combine like terms: 3x + 5x = 8x
100 + 8x = 180

Solving
100 + 8x = 180

Solving for variable 'x'.

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

Add '-100' to each side of the equation.
100 + -100 + 8x = 180 + -100

Combine like terms: 100 + -100 = 0
0 + 8x = 180 + -100
8x = 180 + -100

Combine like terms: 180 + -100 = 80
8x = 80

Divide each side by '8'.
x = 10

Simplifying
x = 10

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