9x-9=4x-12

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Solution for 9x-9=4x-12 equation:


Simplifying
9x + -9 = 4x + -12

Reorder the terms:
-9 + 9x = 4x + -12

Reorder the terms:
-9 + 9x = -12 + 4x

Solving
-9 + 9x = -12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-9 + 9x + -4x = -12 + 4x + -4x

Combine like terms: 9x + -4x = 5x
-9 + 5x = -12 + 4x + -4x

Combine like terms: 4x + -4x = 0
-9 + 5x = -12 + 0
-9 + 5x = -12

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

Combine like terms: -9 + 9 = 0
0 + 5x = -12 + 9
5x = -12 + 9

Combine like terms: -12 + 9 = -3
5x = -3

Divide each side by '5'.
x = -0.6

Simplifying
x = -0.6

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