X+7+1+3x=-4(x-9)-12(x+4)

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Solution for X+7+1+3x=-4(x-9)-12(x+4) equation:


Simplifying
X + 7 + 1 + 3x = -4(x + -9) + -12(x + 4)

Reorder the terms:
7 + 1 + X + 3x = -4(x + -9) + -12(x + 4)

Combine like terms: 7 + 1 = 8
8 + X + 3x = -4(x + -9) + -12(x + 4)

Reorder the terms:
8 + X + 3x = -4(-9 + x) + -12(x + 4)
8 + X + 3x = (-9 * -4 + x * -4) + -12(x + 4)
8 + X + 3x = (36 + -4x) + -12(x + 4)

Reorder the terms:
8 + X + 3x = 36 + -4x + -12(4 + x)
8 + X + 3x = 36 + -4x + (4 * -12 + x * -12)
8 + X + 3x = 36 + -4x + (-48 + -12x)

Reorder the terms:
8 + X + 3x = 36 + -48 + -4x + -12x

Combine like terms: 36 + -48 = -12
8 + X + 3x = -12 + -4x + -12x

Combine like terms: -4x + -12x = -16x
8 + X + 3x = -12 + -16x

Solving
8 + X + 3x = -12 + -16x

Solving for variable 'X'.

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

Add '-8' to each side of the equation.
8 + X + -8 + 3x = -12 + -8 + -16x

Reorder the terms:
8 + -8 + X + 3x = -12 + -8 + -16x

Combine like terms: 8 + -8 = 0
0 + X + 3x = -12 + -8 + -16x
X + 3x = -12 + -8 + -16x

Combine like terms: -12 + -8 = -20
X + 3x = -20 + -16x

Add '-3x' to each side of the equation.
X + 3x + -3x = -20 + -16x + -3x

Combine like terms: 3x + -3x = 0
X + 0 = -20 + -16x + -3x
X = -20 + -16x + -3x

Combine like terms: -16x + -3x = -19x
X = -20 + -19x

Simplifying
X = -20 + -19x

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