7+12x-3=9x+31-6x

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Solution for 7+12x-3=9x+31-6x equation:


Simplifying
7 + 12x + -3 = 9x + 31 + -6x

Reorder the terms:
7 + -3 + 12x = 9x + 31 + -6x

Combine like terms: 7 + -3 = 4
4 + 12x = 9x + 31 + -6x

Reorder the terms:
4 + 12x = 31 + 9x + -6x

Combine like terms: 9x + -6x = 3x
4 + 12x = 31 + 3x

Solving
4 + 12x = 31 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
4 + 12x + -3x = 31 + 3x + -3x

Combine like terms: 12x + -3x = 9x
4 + 9x = 31 + 3x + -3x

Combine like terms: 3x + -3x = 0
4 + 9x = 31 + 0
4 + 9x = 31

Add '-4' to each side of the equation.
4 + -4 + 9x = 31 + -4

Combine like terms: 4 + -4 = 0
0 + 9x = 31 + -4
9x = 31 + -4

Combine like terms: 31 + -4 = 27
9x = 27

Divide each side by '9'.
x = 3

Simplifying
x = 3

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