31-2x=4x+7

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Solution for 31-2x=4x+7 equation:


Simplifying
31 + -2x = 4x + 7

Reorder the terms:
31 + -2x = 7 + 4x

Solving
31 + -2x = 7 + 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 + -2x + -4x = 7 + 4x + -4x

Combine like terms: -2x + -4x = -6x
31 + -6x = 7 + 4x + -4x

Combine like terms: 4x + -4x = 0
31 + -6x = 7 + 0
31 + -6x = 7

Add '-31' to each side of the equation.
31 + -31 + -6x = 7 + -31

Combine like terms: 31 + -31 = 0
0 + -6x = 7 + -31
-6x = 7 + -31

Combine like terms: 7 + -31 = -24
-6x = -24

Divide each side by '-6'.
x = 4

Simplifying
x = 4

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