10x-12=9x-20

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Solution for 10x-12=9x-20 equation:


Simplifying
10x + -12 = 9x + -20

Reorder the terms:
-12 + 10x = 9x + -20

Reorder the terms:
-12 + 10x = -20 + 9x

Solving
-12 + 10x = -20 + 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 + 10x + -9x = -20 + 9x + -9x

Combine like terms: 10x + -9x = 1x
-12 + 1x = -20 + 9x + -9x

Combine like terms: 9x + -9x = 0
-12 + 1x = -20 + 0
-12 + 1x = -20

Add '12' to each side of the equation.
-12 + 12 + 1x = -20 + 12

Combine like terms: -12 + 12 = 0
0 + 1x = -20 + 12
1x = -20 + 12

Combine like terms: -20 + 12 = -8
1x = -8

Divide each side by '1'.
x = -8

Simplifying
x = -8

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