7x+12=9x-2

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


Simplifying
7x + 12 = 9x + -2

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

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

Solving
12 + 7x = -2 + 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.
12 + 7x + -9x = -2 + 9x + -9x

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

Combine like terms: 9x + -9x = 0
12 + -2x = -2 + 0
12 + -2x = -2

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

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

Combine like terms: -2 + -12 = -14
-2x = -14

Divide each side by '-2'.
x = 7

Simplifying
x = 7

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