3x+20+7x-20=180

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Solution for 3x+20+7x-20=180 equation: 


Simplifying
3x + 20 + 7x + -20 = 180

Reorder the terms:
20 + -20 + 3x + 7x = 180

Combine like terms: 20 + -20 = 0
0 + 3x + 7x = 180
3x + 7x = 180

Combine like terms: 3x + 7x = 10x
10x = 180

Solving
10x = 180

Solving for variable 'x'.

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

Divide each side by '10'.
x = 18

Simplifying
x = 18

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