13x-8=12x-9

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Solution for 13x-8=12x-9 equation:


Simplifying
13x + -8 = 12x + -9

Reorder the terms:
-8 + 13x = 12x + -9

Reorder the terms:
-8 + 13x = -9 + 12x

Solving
-8 + 13x = -9 + 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.
-8 + 13x + -12x = -9 + 12x + -12x

Combine like terms: 13x + -12x = 1x
-8 + 1x = -9 + 12x + -12x

Combine like terms: 12x + -12x = 0
-8 + 1x = -9 + 0
-8 + 1x = -9

Add '8' to each side of the equation.
-8 + 8 + 1x = -9 + 8

Combine like terms: -8 + 8 = 0
0 + 1x = -9 + 8
1x = -9 + 8

Combine like terms: -9 + 8 = -1
1x = -1

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

Simplifying
x = -1

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