X+100=3x-20

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Solution for X+100=3x-20 equation: 


Simplifying
X + 100 = 3x + -20

Reorder the terms:
100 + X = 3x + -20

Reorder the terms:
100 + X = -20 + 3x

Solving
100 + X = -20 + 3x

Solving for variable 'X'.

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

Add '-100' to each side of the equation.
100 + -100 + X = -20 + -100 + 3x

Combine like terms: 100 + -100 = 0
0 + X = -20 + -100 + 3x
X = -20 + -100 + 3x

Combine like terms: -20 + -100 = -120
X = -120 + 3x

Simplifying
X = -120 + 3x

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