180=7x+(x+20)

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Solution for 180=7x+(x+20) equation:


Simplifying
180 = 7x + (x + 20)

Reorder the terms:
180 = 7x + (20 + x)

Remove parenthesis around (20 + x)
180 = 7x + 20 + x

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

Combine like terms: 7x + x = 8x
180 = 20 + 8x

Solving
180 = 20 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
180 + -8x = 20 + 8x + -8x

Combine like terms: 8x + -8x = 0
180 + -8x = 20 + 0
180 + -8x = 20

Add '-180' to each side of the equation.
180 + -180 + -8x = 20 + -180

Combine like terms: 180 + -180 = 0
0 + -8x = 20 + -180
-8x = 20 + -180

Combine like terms: 20 + -180 = -160
-8x = -160

Divide each side by '-8'.
x = 20

Simplifying
x = 20

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