31-5x=4x+20

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Solution for 31-5x=4x+20 equation:


Simplifying
31 + -5x = 4x + 20

Reorder the terms:
31 + -5x = 20 + 4x

Solving
31 + -5x = 20 + 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.
31 + -5x + -4x = 20 + 4x + -4x

Combine like terms: -5x + -4x = -9x
31 + -9x = 20 + 4x + -4x

Combine like terms: 4x + -4x = 0
31 + -9x = 20 + 0
31 + -9x = 20

Add '-31' to each side of the equation.
31 + -31 + -9x = 20 + -31

Combine like terms: 31 + -31 = 0
0 + -9x = 20 + -31
-9x = 20 + -31

Combine like terms: 20 + -31 = -11
-9x = -11

Divide each side by '-9'.
x = 1.222222222

Simplifying
x = 1.222222222

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