12x+9=7x+9

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


Simplifying
12x + 9 = 7x + 9

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

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

Add '-9' to each side of the equation.
9 + -9 + 12x = 9 + -9 + 7x

Combine like terms: 9 + -9 = 0
0 + 12x = 9 + -9 + 7x
12x = 9 + -9 + 7x

Combine like terms: 9 + -9 = 0
12x = 0 + 7x
12x = 7x

Solving
12x = 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
12x + -7x = 7x + -7x

Combine like terms: 12x + -7x = 5x
5x = 7x + -7x

Combine like terms: 7x + -7x = 0
5x = 0

Divide each side by '5'.
x = 0

Simplifying
x = 0

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