180=3x-100+(x-10)+(x-10)

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Solution for 180=3x-100+(x-10)+(x-10) equation:


Simplifying
180 = 3x + -100 + (x + -10) + (x + -10)

Reorder the terms:
180 = 3x + -100 + (-10 + x) + (x + -10)

Remove parenthesis around (-10 + x)
180 = 3x + -100 + -10 + x + (x + -10)

Reorder the terms:
180 = 3x + -100 + -10 + x + (-10 + x)

Remove parenthesis around (-10 + x)
180 = 3x + -100 + -10 + x + -10 + x

Reorder the terms:
180 = -100 + -10 + -10 + 3x + x + x

Combine like terms: -100 + -10 = -110
180 = -110 + -10 + 3x + x + x

Combine like terms: -110 + -10 = -120
180 = -120 + 3x + x + x

Combine like terms: 3x + x = 4x
180 = -120 + 4x + x

Combine like terms: 4x + x = 5x
180 = -120 + 5x

Solving
180 = -120 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
180 + -5x = -120 + 5x + -5x

Combine like terms: 5x + -5x = 0
180 + -5x = -120 + 0
180 + -5x = -120

Add '-180' to each side of the equation.
180 + -180 + -5x = -120 + -180

Combine like terms: 180 + -180 = 0
0 + -5x = -120 + -180
-5x = -120 + -180

Combine like terms: -120 + -180 = -300
-5x = -300

Divide each side by '-5'.
x = 60

Simplifying
x = 60

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