2x+12+7x=3x+9+x

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Solution for 2x+12+7x=3x+9+x equation:


Simplifying
2x + 12 + 7x = 3x + 9 + x

Reorder the terms:
12 + 2x + 7x = 3x + 9 + x

Combine like terms: 2x + 7x = 9x
12 + 9x = 3x + 9 + x

Reorder the terms:
12 + 9x = 9 + 3x + x

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

Solving
12 + 9x = 9 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
12 + 9x + -4x = 9 + 4x + -4x

Combine like terms: 9x + -4x = 5x
12 + 5x = 9 + 4x + -4x

Combine like terms: 4x + -4x = 0
12 + 5x = 9 + 0
12 + 5x = 9

Add '-12' to each side of the equation.
12 + -12 + 5x = 9 + -12

Combine like terms: 12 + -12 = 0
0 + 5x = 9 + -12
5x = 9 + -12

Combine like terms: 9 + -12 = -3
5x = -3

Divide each side by '5'.
x = -0.6

Simplifying
x = -0.6

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