100-5x=31x+20

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Solution for 100-5x=31x+20 equation:


Simplifying
100 + -5x = 31x + 20

Reorder the terms:
100 + -5x = 20 + 31x

Solving
100 + -5x = 20 + 31x

Solving for variable 'x'.

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

Add '-31x' to each side of the equation.
100 + -5x + -31x = 20 + 31x + -31x

Combine like terms: -5x + -31x = -36x
100 + -36x = 20 + 31x + -31x

Combine like terms: 31x + -31x = 0
100 + -36x = 20 + 0
100 + -36x = 20

Add '-100' to each side of the equation.
100 + -100 + -36x = 20 + -100

Combine like terms: 100 + -100 = 0
0 + -36x = 20 + -100
-36x = 20 + -100

Combine like terms: 20 + -100 = -80
-36x = -80

Divide each side by '-36'.
x = 2.222222222

Simplifying
x = 2.222222222

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