-12-5X=9-8X

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Solution for -12-5X=9-8X equation:


Simplifying
-12 + -5X = 9 + -8X

Solving
-12 + -5X = 9 + -8X

Solving for variable 'X'.

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

Add '8X' to each side of the equation.
-12 + -5X + 8X = 9 + -8X + 8X

Combine like terms: -5X + 8X = 3X
-12 + 3X = 9 + -8X + 8X

Combine like terms: -8X + 8X = 0
-12 + 3X = 9 + 0
-12 + 3X = 9

Add '12' to each side of the equation.
-12 + 12 + 3X = 9 + 12

Combine like terms: -12 + 12 = 0
0 + 3X = 9 + 12
3X = 9 + 12

Combine like terms: 9 + 12 = 21
3X = 21

Divide each side by '3'.
X = 7

Simplifying
X = 7

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