X+21+3x=-11-3x-17

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Solution for X+21+3x=-11-3x-17 equation: 


Simplifying
X + 21 + 3x = -11 + -3x + -17

Reorder the terms:
21 + X + 3x = -11 + -3x + -17

Reorder the terms:
21 + X + 3x = -11 + -17 + -3x

Combine like terms: -11 + -17 = -28
21 + X + 3x = -28 + -3x

Solving
21 + X + 3x = -28 + -3x

Solving for variable 'X'.

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

Add '-21' to each side of the equation.
21 + X + -21 + 3x = -28 + -21 + -3x

Reorder the terms:
21 + -21 + X + 3x = -28 + -21 + -3x

Combine like terms: 21 + -21 = 0
0 + X + 3x = -28 + -21 + -3x
X + 3x = -28 + -21 + -3x

Combine like terms: -28 + -21 = -49
X + 3x = -49 + -3x

Add '-3x' to each side of the equation.
X + 3x + -3x = -49 + -3x + -3x

Combine like terms: 3x + -3x = 0
X + 0 = -49 + -3x + -3x
X = -49 + -3x + -3x

Combine like terms: -3x + -3x = -6x
X = -49 + -6x

Simplifying
X = -49 + -6x

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