-[9x-(2x+6)]=-3[(3x-4)-3x]

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Solution for -[9x-(2x+6)]=-3[(3x-4)-3x] equation:


Simplifying
-1[9x + -1(2x + 6)] = -3[(3x + -4) + -3x]

Reorder the terms:
-1[9x + -1(6 + 2x)] = -3[(3x + -4) + -3x]
-1[9x + (6 * -1 + 2x * -1)] = -3[(3x + -4) + -3x]
-1[9x + (-6 + -2x)] = -3[(3x + -4) + -3x]

Reorder the terms:
-1[-6 + 9x + -2x] = -3[(3x + -4) + -3x]

Combine like terms: 9x + -2x = 7x
-1[-6 + 7x] = -3[(3x + -4) + -3x]
[-6 * -1 + 7x * -1] = -3[(3x + -4) + -3x]
[6 + -7x] = -3[(3x + -4) + -3x]

Reorder the terms:
6 + -7x = -3[(-4 + 3x) + -3x]

Remove parenthesis around (-4 + 3x)
6 + -7x = -3[-4 + 3x + -3x]

Combine like terms: 3x + -3x = 0
6 + -7x = -3[-4 + 0]
6 + -7x = -3[-4]

Multiply -3 * -4
6 + -7x = 12

Solving
6 + -7x = 12

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + -7x = 12 + -6

Combine like terms: 6 + -6 = 0
0 + -7x = 12 + -6
-7x = 12 + -6

Combine like terms: 12 + -6 = 6
-7x = 6

Divide each side by '-7'.
x = -0.8571428571

Simplifying
x = -0.8571428571

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