-3(-3x-4)=4(x+2)-2(x+8)-1

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Solution for -3(-3x-4)=4(x+2)-2(x+8)-1 equation:


Simplifying
-3(-3x + -4) = 4(x + 2) + -2(x + 8) + -1

Reorder the terms:
-3(-4 + -3x) = 4(x + 2) + -2(x + 8) + -1
(-4 * -3 + -3x * -3) = 4(x + 2) + -2(x + 8) + -1
(12 + 9x) = 4(x + 2) + -2(x + 8) + -1

Reorder the terms:
12 + 9x = 4(2 + x) + -2(x + 8) + -1
12 + 9x = (2 * 4 + x * 4) + -2(x + 8) + -1
12 + 9x = (8 + 4x) + -2(x + 8) + -1

Reorder the terms:
12 + 9x = 8 + 4x + -2(8 + x) + -1
12 + 9x = 8 + 4x + (8 * -2 + x * -2) + -1
12 + 9x = 8 + 4x + (-16 + -2x) + -1

Reorder the terms:
12 + 9x = 8 + -16 + -1 + 4x + -2x

Combine like terms: 8 + -16 = -8
12 + 9x = -8 + -1 + 4x + -2x

Combine like terms: -8 + -1 = -9
12 + 9x = -9 + 4x + -2x

Combine like terms: 4x + -2x = 2x
12 + 9x = -9 + 2x

Solving
12 + 9x = -9 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
12 + 9x + -2x = -9 + 2x + -2x

Combine like terms: 9x + -2x = 7x
12 + 7x = -9 + 2x + -2x

Combine like terms: 2x + -2x = 0
12 + 7x = -9 + 0
12 + 7x = -9

Add '-12' to each side of the equation.
12 + -12 + 7x = -9 + -12

Combine like terms: 12 + -12 = 0
0 + 7x = -9 + -12
7x = -9 + -12

Combine like terms: -9 + -12 = -21
7x = -21

Divide each side by '7'.
x = -3

Simplifying
x = -3

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