(X+1)-(3x+4)+(8-9)=12x-11

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Solution for (X+1)-(3x+4)+(8-9)=12x-11 equation:


Simplifying
(X + 1) + -1(3x + 4) + (8 + -9) = 12x + -11

Reorder the terms:
(1 + X) + -1(3x + 4) + (8 + -9) = 12x + -11

Remove parenthesis around (1 + X)
1 + X + -1(3x + 4) + (8 + -9) = 12x + -11

Reorder the terms:
1 + X + -1(4 + 3x) + (8 + -9) = 12x + -11
1 + X + (4 * -1 + 3x * -1) + (8 + -9) = 12x + -11
1 + X + (-4 + -3x) + (8 + -9) = 12x + -11

Combine like terms: 8 + -9 = -1
1 + X + -4 + -3x + (-1) = 12x + -11
1 + X + -4 + -3x + -1 = 12x + -11

Reorder the terms:
1 + -4 + -1 + X + -3x = 12x + -11

Combine like terms: 1 + -4 = -3
-3 + -1 + X + -3x = 12x + -11

Combine like terms: -3 + -1 = -4
-4 + X + -3x = 12x + -11

Reorder the terms:
-4 + X + -3x = -11 + 12x

Solving
-4 + X + -3x = -11 + 12x

Solving for variable 'X'.

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

Add '4' to each side of the equation.
-4 + X + 4 + -3x = -11 + 4 + 12x

Reorder the terms:
-4 + 4 + X + -3x = -11 + 4 + 12x

Combine like terms: -4 + 4 = 0
0 + X + -3x = -11 + 4 + 12x
X + -3x = -11 + 4 + 12x

Combine like terms: -11 + 4 = -7
X + -3x = -7 + 12x

Add '3x' to each side of the equation.
X + -3x + 3x = -7 + 12x + 3x

Combine like terms: -3x + 3x = 0
X + 0 = -7 + 12x + 3x
X = -7 + 12x + 3x

Combine like terms: 12x + 3x = 15x
X = -7 + 15x

Simplifying
X = -7 + 15x

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