31=-2x+7+10x

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Solution for 31=-2x+7+10x equation:


Simplifying
31 = -2x + 7 + 10x

Reorder the terms:
31 = 7 + -2x + 10x

Combine like terms: -2x + 10x = 8x
31 = 7 + 8x

Solving
31 = 7 + 8x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-8x' to each side of the equation.
31 + -8x = 7 + 8x + -8x

Combine like terms: 8x + -8x = 0
31 + -8x = 7 + 0
31 + -8x = 7

Add '-31' to each side of the equation.
31 + -31 + -8x = 7 + -31

Combine like terms: 31 + -31 = 0
0 + -8x = 7 + -31
-8x = 7 + -31

Combine like terms: 7 + -31 = -24
-8x = -24

Divide each side by '-8'.
x = 3

Simplifying
x = 3

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