100=2x+x+(x-8)

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Solution for 100=2x+x+(x-8) equation:


Simplifying
100 = 2x + x + (x + -8)

Reorder the terms:
100 = 2x + x + (-8 + x)

Remove parenthesis around (-8 + x)
100 = 2x + x + -8 + x

Reorder the terms:
100 = -8 + 2x + x + x

Combine like terms: 2x + x = 3x
100 = -8 + 3x + x

Combine like terms: 3x + x = 4x
100 = -8 + 4x

Solving
100 = -8 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
100 + -4x = -8 + 4x + -4x

Combine like terms: 4x + -4x = 0
100 + -4x = -8 + 0
100 + -4x = -8

Add '-100' to each side of the equation.
100 + -100 + -4x = -8 + -100

Combine like terms: 100 + -100 = 0
0 + -4x = -8 + -100
-4x = -8 + -100

Combine like terms: -8 + -100 = -108
-4x = -108

Divide each side by '-4'.
x = 27

Simplifying
x = 27

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