180=(2x+30)-(1x+20)

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Solution for 180=(2x+30)-(1x+20) equation:


Simplifying
180 = (2x + 30) + -1(1x + 20)

Reorder the terms:
180 = (30 + 2x) + -1(1x + 20)

Remove parenthesis around (30 + 2x)
180 = 30 + 2x + -1(1x + 20)

Reorder the terms:
180 = 30 + 2x + -1(20 + 1x)
180 = 30 + 2x + (20 * -1 + 1x * -1)
180 = 30 + 2x + (-20 + -1x)

Reorder the terms:
180 = 30 + -20 + 2x + -1x

Combine like terms: 30 + -20 = 10
180 = 10 + 2x + -1x

Combine like terms: 2x + -1x = 1x
180 = 10 + 1x

Solving
180 = 10 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
180 + -1x = 10 + 1x + -1x

Combine like terms: 1x + -1x = 0
180 + -1x = 10 + 0
180 + -1x = 10

Add '-180' to each side of the equation.
180 + -180 + -1x = 10 + -180

Combine like terms: 180 + -180 = 0
0 + -1x = 10 + -180
-1x = 10 + -180

Combine like terms: 10 + -180 = -170
-1x = -170

Divide each side by '-1'.
x = 170

Simplifying
x = 170

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