9x+12=7x-3

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


Simplifying
9x + 12 = 7x + -3

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

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

Solving
12 + 9x = -3 + 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.
12 + 9x + -7x = -3 + 7x + -7x

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

Combine like terms: 7x + -7x = 0
12 + 2x = -3 + 0
12 + 2x = -3

Add '-12' to each side of the equation.
12 + -12 + 2x = -3 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = -3 + -12
2x = -3 + -12

Combine like terms: -3 + -12 = -15
2x = -15

Divide each side by '2'.
x = -7.5

Simplifying
x = -7.5

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