-21+X=15-2x

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Solution for -21+X=15-2x equation: 


Simplifying
-21 + X = 15 + -2x

Solving
-21 + X = 15 + -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 + 21 + X = 15 + 21 + -2x

Combine like terms: -21 + 21 = 0
0 + X = 15 + 21 + -2x
X = 15 + 21 + -2x

Combine like terms: 15 + 21 = 36
X = 36 + -2x

Simplifying
X = 36 + -2x

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