180-(84+x)=180-3x

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Solution for 180-(84+x)=180-3x equation:


Simplifying
180 + -1(84 + x) = 180 + -3x
180 + (84 * -1 + x * -1) = 180 + -3x
180 + (-84 + -1x) = 180 + -3x

Combine like terms: 180 + -84 = 96
96 + -1x = 180 + -3x

Solving
96 + -1x = 180 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
96 + -1x + 3x = 180 + -3x + 3x

Combine like terms: -1x + 3x = 2x
96 + 2x = 180 + -3x + 3x

Combine like terms: -3x + 3x = 0
96 + 2x = 180 + 0
96 + 2x = 180

Add '-96' to each side of the equation.
96 + -96 + 2x = 180 + -96

Combine like terms: 96 + -96 = 0
0 + 2x = 180 + -96
2x = 180 + -96

Combine like terms: 180 + -96 = 84
2x = 84

Divide each side by '2'.
x = 42

Simplifying
x = 42

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