2x+31=12x-15

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Solution for 2x+31=12x-15 equation:


Simplifying
2x + 31 = 12x + -15

Reorder the terms:
31 + 2x = 12x + -15

Reorder the terms:
31 + 2x = -15 + 12x

Solving
31 + 2x = -15 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
31 + 2x + -12x = -15 + 12x + -12x

Combine like terms: 2x + -12x = -10x
31 + -10x = -15 + 12x + -12x

Combine like terms: 12x + -12x = 0
31 + -10x = -15 + 0
31 + -10x = -15

Add '-31' to each side of the equation.
31 + -31 + -10x = -15 + -31

Combine like terms: 31 + -31 = 0
0 + -10x = -15 + -31
-10x = -15 + -31

Combine like terms: -15 + -31 = -46
-10x = -46

Divide each side by '-10'.
x = 4.6

Simplifying
x = 4.6

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