12-3(x+4)=9x-9

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Solution for 12-3(x+4)=9x-9 equation:


Simplifying
12 + -3(x + 4) = 9x + -9

Reorder the terms:
12 + -3(4 + x) = 9x + -9
12 + (4 * -3 + x * -3) = 9x + -9
12 + (-12 + -3x) = 9x + -9

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

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

Solving
-3x = -9 + 9x

Solving for variable 'x'.

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

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

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

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

Divide each side by '-12'.
x = 0.75

Simplifying
x = 0.75

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