7x+2=9x-12

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


Simplifying
7x + 2 = 9x + -12

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

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

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

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

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

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

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

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

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

Simplifying
x = 7

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