12x-31=38+9x

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Solution for 12x-31=38+9x equation:


Simplifying
12x + -31 = 38 + 9x

Reorder the terms:
-31 + 12x = 38 + 9x

Solving
-31 + 12x = 38 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-31 + 12x + -9x = 38 + 9x + -9x

Combine like terms: 12x + -9x = 3x
-31 + 3x = 38 + 9x + -9x

Combine like terms: 9x + -9x = 0
-31 + 3x = 38 + 0
-31 + 3x = 38

Add '31' to each side of the equation.
-31 + 31 + 3x = 38 + 31

Combine like terms: -31 + 31 = 0
0 + 3x = 38 + 31
3x = 38 + 31

Combine like terms: 38 + 31 = 69
3x = 69

Divide each side by '3'.
x = 23

Simplifying
x = 23

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