3x-9=-101+2[2x-(5-4x)+7]+4+12x

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Solution for 3x-9=-101+2[2x-(5-4x)+7]+4+12x equation:


Simplifying
3x + -9 = -101 + 2[2x + -1(5 + -4x) + 7] + 4 + 12x

Reorder the terms:
-9 + 3x = -101 + 2[2x + -1(5 + -4x) + 7] + 4 + 12x
-9 + 3x = -101 + 2[2x + (5 * -1 + -4x * -1) + 7] + 4 + 12x
-9 + 3x = -101 + 2[2x + (-5 + 4x) + 7] + 4 + 12x

Reorder the terms:
-9 + 3x = -101 + 2[-5 + 7 + 2x + 4x] + 4 + 12x

Combine like terms: -5 + 7 = 2
-9 + 3x = -101 + 2[2 + 2x + 4x] + 4 + 12x

Combine like terms: 2x + 4x = 6x
-9 + 3x = -101 + 2[2 + 6x] + 4 + 12x
-9 + 3x = -101 + [2 * 2 + 6x * 2] + 4 + 12x
-9 + 3x = -101 + [4 + 12x] + 4 + 12x

Reorder the terms:
-9 + 3x = -101 + 4 + 4 + 12x + 12x

Combine like terms: -101 + 4 = -97
-9 + 3x = -97 + 4 + 12x + 12x

Combine like terms: -97 + 4 = -93
-9 + 3x = -93 + 12x + 12x

Combine like terms: 12x + 12x = 24x
-9 + 3x = -93 + 24x

Solving
-9 + 3x = -93 + 24x

Solving for variable 'x'.

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

Add '-24x' to each side of the equation.
-9 + 3x + -24x = -93 + 24x + -24x

Combine like terms: 3x + -24x = -21x
-9 + -21x = -93 + 24x + -24x

Combine like terms: 24x + -24x = 0
-9 + -21x = -93 + 0
-9 + -21x = -93

Add '9' to each side of the equation.
-9 + 9 + -21x = -93 + 9

Combine like terms: -9 + 9 = 0
0 + -21x = -93 + 9
-21x = -93 + 9

Combine like terms: -93 + 9 = -84
-21x = -84

Divide each side by '-21'.
x = 4

Simplifying
x = 4

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