2x+31=8x-11

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Solution for 2x+31=8x-11 equation:


Simplifying
2x + 31 = 8x + -11

Reorder the terms:
31 + 2x = 8x + -11

Reorder the terms:
31 + 2x = -11 + 8x

Solving
31 + 2x = -11 + 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 + 2x + -8x = -11 + 8x + -8x

Combine like terms: 2x + -8x = -6x
31 + -6x = -11 + 8x + -8x

Combine like terms: 8x + -8x = 0
31 + -6x = -11 + 0
31 + -6x = -11

Add '-31' to each side of the equation.
31 + -31 + -6x = -11 + -31

Combine like terms: 31 + -31 = 0
0 + -6x = -11 + -31
-6x = -11 + -31

Combine like terms: -11 + -31 = -42
-6x = -42

Divide each side by '-6'.
x = 7

Simplifying
x = 7

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