12x-9=8x-36

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Solution for 12x-9=8x-36 equation:


Simplifying
12x + -9 = 8x + -36

Reorder the terms:
-9 + 12x = 8x + -36

Reorder the terms:
-9 + 12x = -36 + 8x

Solving
-9 + 12x = -36 + 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 = -36 + 8x + -8x

Combine like terms: 12x + -8x = 4x
-9 + 4x = -36 + 8x + -8x

Combine like terms: 8x + -8x = 0
-9 + 4x = -36 + 0
-9 + 4x = -36

Add '9' to each side of the equation.
-9 + 9 + 4x = -36 + 9

Combine like terms: -9 + 9 = 0
0 + 4x = -36 + 9
4x = -36 + 9

Combine like terms: -36 + 9 = -27
4x = -27

Divide each side by '4'.
x = -6.75

Simplifying
x = -6.75

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