12x-8=10x+21

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Solution for 12x-8=10x+21 equation:


Simplifying
12x + -8 = 10x + 21

Reorder the terms:
-8 + 12x = 10x + 21

Reorder the terms:
-8 + 12x = 21 + 10x

Solving
-8 + 12x = 21 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-8 + 12x + -10x = 21 + 10x + -10x

Combine like terms: 12x + -10x = 2x
-8 + 2x = 21 + 10x + -10x

Combine like terms: 10x + -10x = 0
-8 + 2x = 21 + 0
-8 + 2x = 21

Add '8' to each side of the equation.
-8 + 8 + 2x = 21 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = 21 + 8
2x = 21 + 8

Combine like terms: 21 + 8 = 29
2x = 29

Divide each side by '2'.
x = 14.5

Simplifying
x = 14.5

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