7x-12=9x+11

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Solution for 7x-12=9x+11 equation:


Simplifying
7x + -12 = 9x + 11

Reorder the terms:
-12 + 7x = 9x + 11

Reorder the terms:
-12 + 7x = 11 + 9x

Solving
-12 + 7x = 11 + 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 = 11 + 9x + -9x

Combine like terms: 7x + -9x = -2x
-12 + -2x = 11 + 9x + -9x

Combine like terms: 9x + -9x = 0
-12 + -2x = 11 + 0
-12 + -2x = 11

Add '12' to each side of the equation.
-12 + 12 + -2x = 11 + 12

Combine like terms: -12 + 12 = 0
0 + -2x = 11 + 12
-2x = 11 + 12

Combine like terms: 11 + 12 = 23
-2x = 23

Divide each side by '-2'.
x = -11.5

Simplifying
x = -11.5

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