12x-9=8x-27

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Solution for 12x-9=8x-27 equation:


Simplifying
12x + -9 = 8x + -27

Reorder the terms:
-9 + 12x = 8x + -27

Reorder the terms:
-9 + 12x = -27 + 8x

Solving
-9 + 12x = -27 + 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.
-9 + 12x + -8x = -27 + 8x + -8x

Combine like terms: 12x + -8x = 4x
-9 + 4x = -27 + 8x + -8x

Combine like terms: 8x + -8x = 0
-9 + 4x = -27 + 0
-9 + 4x = -27

Add '9' to each side of the equation.
-9 + 9 + 4x = -27 + 9

Combine like terms: -9 + 9 = 0
0 + 4x = -27 + 9
4x = -27 + 9

Combine like terms: -27 + 9 = -18
4x = -18

Divide each side by '4'.
x = -4.5

Simplifying
x = -4.5

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