12x-3=8x-9

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Solution for 12x-3=8x-9 equation:


Simplifying
12x + -3 = 8x + -9

Reorder the terms:
-3 + 12x = 8x + -9

Reorder the terms:
-3 + 12x = -9 + 8x

Solving
-3 + 12x = -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.
-3 + 12x + -8x = -9 + 8x + -8x

Combine like terms: 12x + -8x = 4x
-3 + 4x = -9 + 8x + -8x

Combine like terms: 8x + -8x = 0
-3 + 4x = -9 + 0
-3 + 4x = -9

Add '3' to each side of the equation.
-3 + 3 + 4x = -9 + 3

Combine like terms: -3 + 3 = 0
0 + 4x = -9 + 3
4x = -9 + 3

Combine like terms: -9 + 3 = -6
4x = -6

Divide each side by '4'.
x = -1.5

Simplifying
x = -1.5

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