31+3x=4x-4

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Solution for 31+3x=4x-4 equation:


Simplifying
31 + 3x = 4x + -4

Reorder the terms:
31 + 3x = -4 + 4x

Solving
31 + 3x = -4 + 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 + 3x + -4x = -4 + 4x + -4x

Combine like terms: 3x + -4x = -1x
31 + -1x = -4 + 4x + -4x

Combine like terms: 4x + -4x = 0
31 + -1x = -4 + 0
31 + -1x = -4

Add '-31' to each side of the equation.
31 + -31 + -1x = -4 + -31

Combine like terms: 31 + -31 = 0
0 + -1x = -4 + -31
-1x = -4 + -31

Combine like terms: -4 + -31 = -35
-1x = -35

Divide each side by '-1'.
x = 35

Simplifying
x = 35

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