3x+31=5x+12

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Solution for 3x+31=5x+12 equation:


Simplifying
3x + 31 = 5x + 12

Reorder the terms:
31 + 3x = 5x + 12

Reorder the terms:
31 + 3x = 12 + 5x

Solving
31 + 3x = 12 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
31 + 3x + -5x = 12 + 5x + -5x

Combine like terms: 3x + -5x = -2x
31 + -2x = 12 + 5x + -5x

Combine like terms: 5x + -5x = 0
31 + -2x = 12 + 0
31 + -2x = 12

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

Combine like terms: 31 + -31 = 0
0 + -2x = 12 + -31
-2x = 12 + -31

Combine like terms: 12 + -31 = -19
-2x = -19

Divide each side by '-2'.
x = 9.5

Simplifying
x = 9.5

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