-[8x+(4x+3)]=9-(3x+9)

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Solution for -[8x+(4x+3)]=9-(3x+9) equation:


Simplifying
-1[8x + (4x + 3)] = 9 + -1(3x + 9)

Reorder the terms:
-1[8x + (3 + 4x)] = 9 + -1(3x + 9)

Remove parenthesis around (3 + 4x)
-1[8x + 3 + 4x] = 9 + -1(3x + 9)

Reorder the terms:
-1[3 + 8x + 4x] = 9 + -1(3x + 9)

Combine like terms: 8x + 4x = 12x
-1[3 + 12x] = 9 + -1(3x + 9)
[3 * -1 + 12x * -1] = 9 + -1(3x + 9)
[-3 + -12x] = 9 + -1(3x + 9)

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

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

Solving
-3 + -12x = -3x

Solving for variable 'x'.

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

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

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

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

Add '3' to each side of the equation.
-3 + 3 + -9x = 0 + 3

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

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

Divide each side by '-9'.
x = -0.3333333333

Simplifying
x = -0.3333333333

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