-4x+31=4x-40

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Solution for -4x+31=4x-40 equation:


Simplifying
-4x + 31 = 4x + -40

Reorder the terms:
31 + -4x = 4x + -40

Reorder the terms:
31 + -4x = -40 + 4x

Solving
31 + -4x = -40 + 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 + -4x + -4x = -40 + 4x + -4x

Combine like terms: -4x + -4x = -8x
31 + -8x = -40 + 4x + -4x

Combine like terms: 4x + -4x = 0
31 + -8x = -40 + 0
31 + -8x = -40

Add '-31' to each side of the equation.
31 + -31 + -8x = -40 + -31

Combine like terms: 31 + -31 = 0
0 + -8x = -40 + -31
-8x = -40 + -31

Combine like terms: -40 + -31 = -71
-8x = -71

Divide each side by '-8'.
x = 8.875

Simplifying
x = 8.875

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