12x-20=9x+1

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Solution for 12x-20=9x+1 equation:


Simplifying
12x + -20 = 9x + 1

Reorder the terms:
-20 + 12x = 9x + 1

Reorder the terms:
-20 + 12x = 1 + 9x

Solving
-20 + 12x = 1 + 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.
-20 + 12x + -9x = 1 + 9x + -9x

Combine like terms: 12x + -9x = 3x
-20 + 3x = 1 + 9x + -9x

Combine like terms: 9x + -9x = 0
-20 + 3x = 1 + 0
-20 + 3x = 1

Add '20' to each side of the equation.
-20 + 20 + 3x = 1 + 20

Combine like terms: -20 + 20 = 0
0 + 3x = 1 + 20
3x = 1 + 20

Combine like terms: 1 + 20 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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