9x-20=12x-11

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Solution for 9x-20=12x-11 equation:


Simplifying
9x + -20 = 12x + -11

Reorder the terms:
-20 + 9x = 12x + -11

Reorder the terms:
-20 + 9x = -11 + 12x

Solving
-20 + 9x = -11 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-20 + 9x + -12x = -11 + 12x + -12x

Combine like terms: 9x + -12x = -3x
-20 + -3x = -11 + 12x + -12x

Combine like terms: 12x + -12x = 0
-20 + -3x = -11 + 0
-20 + -3x = -11

Add '20' to each side of the equation.
-20 + 20 + -3x = -11 + 20

Combine like terms: -20 + 20 = 0
0 + -3x = -11 + 20
-3x = -11 + 20

Combine like terms: -11 + 20 = 9
-3x = 9

Divide each side by '-3'.
x = -3

Simplifying
x = -3

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