180=13x-10+7x-20

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Solution for 180=13x-10+7x-20 equation:


Simplifying
180 = 13x + -10 + 7x + -20

Reorder the terms:
180 = -10 + -20 + 13x + 7x

Combine like terms: -10 + -20 = -30
180 = -30 + 13x + 7x

Combine like terms: 13x + 7x = 20x
180 = -30 + 20x

Solving
180 = -30 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
180 + -20x = -30 + 20x + -20x

Combine like terms: 20x + -20x = 0
180 + -20x = -30 + 0
180 + -20x = -30

Add '-180' to each side of the equation.
180 + -180 + -20x = -30 + -180

Combine like terms: 180 + -180 = 0
0 + -20x = -30 + -180
-20x = -30 + -180

Combine like terms: -30 + -180 = -210
-20x = -210

Divide each side by '-20'.
x = 10.5

Simplifying
x = 10.5

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