X+21+2x=-14-2x-20

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Solution for X+21+2x=-14-2x-20 equation: 


Simplifying
X + 21 + 2x = -14 + -2x + -20

Reorder the terms:
21 + X + 2x = -14 + -2x + -20

Reorder the terms:
21 + X + 2x = -14 + -20 + -2x

Combine like terms: -14 + -20 = -34
21 + X + 2x = -34 + -2x

Solving
21 + X + 2x = -34 + -2x

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 + 2x = -34 + -21 + -2x

Reorder the terms:
21 + -21 + X + 2x = -34 + -21 + -2x

Combine like terms: 21 + -21 = 0
0 + X + 2x = -34 + -21 + -2x
X + 2x = -34 + -21 + -2x

Combine like terms: -34 + -21 = -55
X + 2x = -55 + -2x

Add '-2x' to each side of the equation.
X + 2x + -2x = -55 + -2x + -2x

Combine like terms: 2x + -2x = 0
X + 0 = -55 + -2x + -2x
X = -55 + -2x + -2x

Combine like terms: -2x + -2x = -4x
X = -55 + -4x

Simplifying
X = -55 + -4x

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