7x-9+x+15=6x+12

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Solution for 7x-9+x+15=6x+12 equation:


Simplifying
7x + -9 + x + 15 = 6x + 12

Reorder the terms:
-9 + 15 + 7x + x = 6x + 12

Combine like terms: -9 + 15 = 6
6 + 7x + x = 6x + 12

Combine like terms: 7x + x = 8x
6 + 8x = 6x + 12

Reorder the terms:
6 + 8x = 12 + 6x

Solving
6 + 8x = 12 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
6 + 8x + -6x = 12 + 6x + -6x

Combine like terms: 8x + -6x = 2x
6 + 2x = 12 + 6x + -6x

Combine like terms: 6x + -6x = 0
6 + 2x = 12 + 0
6 + 2x = 12

Add '-6' to each side of the equation.
6 + -6 + 2x = 12 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = 12 + -6
2x = 12 + -6

Combine like terms: 12 + -6 = 6
2x = 6

Divide each side by '2'.
x = 3

Simplifying
x = 3

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