12x+7=9x+15

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


Simplifying
12x + 7 = 9x + 15

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

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

Solving
7 + 12x = 15 + 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.
7 + 12x + -9x = 15 + 9x + -9x

Combine like terms: 12x + -9x = 3x
7 + 3x = 15 + 9x + -9x

Combine like terms: 9x + -9x = 0
7 + 3x = 15 + 0
7 + 3x = 15

Add '-7' to each side of the equation.
7 + -7 + 3x = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 15 + -7
3x = 15 + -7

Combine like terms: 15 + -7 = 8
3x = 8

Divide each side by '3'.
x = 2.666666667

Simplifying
x = 2.666666667

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