-31+x=4x+20

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


Simplifying
-31 + x = 4x + 20

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

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

Combine like terms: x + -4x = -3x
-31 + -3x = 20 + 4x + -4x

Combine like terms: 4x + -4x = 0
-31 + -3x = 20 + 0
-31 + -3x = 20

Add '31' to each side of the equation.
-31 + 31 + -3x = 20 + 31

Combine like terms: -31 + 31 = 0
0 + -3x = 20 + 31
-3x = 20 + 31

Combine like terms: 20 + 31 = 51
-3x = 51

Divide each side by '-3'.
x = -17

Simplifying
x = -17

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