9-(3x-12)=2(6x-3)-9

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Solution for 9-(3x-12)=2(6x-3)-9 equation:


Simplifying
9 + -1(3x + -12) = 2(6x + -3) + -9

Reorder the terms:
9 + -1(-12 + 3x) = 2(6x + -3) + -9
9 + (-12 * -1 + 3x * -1) = 2(6x + -3) + -9
9 + (12 + -3x) = 2(6x + -3) + -9

Combine like terms: 9 + 12 = 21
21 + -3x = 2(6x + -3) + -9

Reorder the terms:
21 + -3x = 2(-3 + 6x) + -9
21 + -3x = (-3 * 2 + 6x * 2) + -9
21 + -3x = (-6 + 12x) + -9

Reorder the terms:
21 + -3x = -6 + -9 + 12x

Combine like terms: -6 + -9 = -15
21 + -3x = -15 + 12x

Solving
21 + -3x = -15 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
21 + -3x + -12x = -15 + 12x + -12x

Combine like terms: -3x + -12x = -15x
21 + -15x = -15 + 12x + -12x

Combine like terms: 12x + -12x = 0
21 + -15x = -15 + 0
21 + -15x = -15

Add '-21' to each side of the equation.
21 + -21 + -15x = -15 + -21

Combine like terms: 21 + -21 = 0
0 + -15x = -15 + -21
-15x = -15 + -21

Combine like terms: -15 + -21 = -36
-15x = -36

Divide each side by '-15'.
x = 2.4

Simplifying
x = 2.4

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