100-1x=4x

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Solution for 100-1x=4x equation:


Simplifying
100 + -1x = 4x

Solving
100 + -1x = 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 + -1x + -4x = 4x + -4x

Combine like terms: -1x + -4x = -5x
100 + -5x = 4x + -4x

Combine like terms: 4x + -4x = 0
100 + -5x = 0

Add '-100' to each side of the equation.
100 + -100 + -5x = 0 + -100

Combine like terms: 100 + -100 = 0
0 + -5x = 0 + -100
-5x = 0 + -100

Combine like terms: 0 + -100 = -100
-5x = -100

Divide each side by '-5'.
x = 20

Simplifying
x = 20

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