31+3x=10x-81

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Solution for 31+3x=10x-81 equation:


Simplifying
31 + 3x = 10x + -81

Reorder the terms:
31 + 3x = -81 + 10x

Solving
31 + 3x = -81 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
31 + 3x + -10x = -81 + 10x + -10x

Combine like terms: 3x + -10x = -7x
31 + -7x = -81 + 10x + -10x

Combine like terms: 10x + -10x = 0
31 + -7x = -81 + 0
31 + -7x = -81

Add '-31' to each side of the equation.
31 + -31 + -7x = -81 + -31

Combine like terms: 31 + -31 = 0
0 + -7x = -81 + -31
-7x = -81 + -31

Combine like terms: -81 + -31 = -112
-7x = -112

Divide each side by '-7'.
x = 16

Simplifying
x = 16

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