-3x+7-2x-5+X-2+X=21

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Solution for -3x+7-2x-5+X-2+X=21 equation:


Simplifying
-3x + 7 + -2x + -5 + X + -2 + X = 21

Reorder the terms:
7 + -5 + -2 + X + X + -3x + -2x = 21

Combine like terms: 7 + -5 = 2
2 + -2 + X + X + -3x + -2x = 21

Combine like terms: 2 + -2 = 0
0 + X + X + -3x + -2x = 21
X + X + -3x + -2x = 21

Combine like terms: X + X = 2X
2X + -3x + -2x = 21

Combine like terms: -3x + -2x = -5x
2X + -5x = 21

Solving
2X + -5x = 21

Solving for variable 'X'.

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

Add '5x' to each side of the equation.
2X + -5x + 5x = 21 + 5x

Combine like terms: -5x + 5x = 0
2X + 0 = 21 + 5x
2X = 21 + 5x

Divide each side by '2'.
X = 10.5 + 2.5x

Simplifying
X = 10.5 + 2.5x

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