13x-21=12x-24

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Solution for 13x-21=12x-24 equation:


Simplifying
13x + -21 = 12x + -24

Reorder the terms:
-21 + 13x = 12x + -24

Reorder the terms:
-21 + 13x = -24 + 12x

Solving
-21 + 13x = -24 + 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.
-21 + 13x + -12x = -24 + 12x + -12x

Combine like terms: 13x + -12x = 1x
-21 + 1x = -24 + 12x + -12x

Combine like terms: 12x + -12x = 0
-21 + 1x = -24 + 0
-21 + 1x = -24

Add '21' to each side of the equation.
-21 + 21 + 1x = -24 + 21

Combine like terms: -21 + 21 = 0
0 + 1x = -24 + 21
1x = -24 + 21

Combine like terms: -24 + 21 = -3
1x = -3

Divide each side by '1'.
x = -3

Simplifying
x = -3

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