-3X-21=-14-2X

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Solution for -3X-21=-14-2X equation: 


Simplifying
-3X + -21 = -14 + -2X

Reorder the terms:
-21 + -3X = -14 + -2X

Solving
-21 + -3X = -14 + -2X

Solving for variable 'X'.

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

Add '2X' to each side of the equation.
-21 + -3X + 2X = -14 + -2X + 2X

Combine like terms: -3X + 2X = -1X
-21 + -1X = -14 + -2X + 2X

Combine like terms: -2X + 2X = 0
-21 + -1X = -14 + 0
-21 + -1X = -14

Add '21' to each side of the equation.
-21 + 21 + -1X = -14 + 21

Combine like terms: -21 + 21 = 0
0 + -1X = -14 + 21
-1X = -14 + 21

Combine like terms: -14 + 21 = 7
-1X = 7

Divide each side by '-1'.
X = -7

Simplifying
X = -7

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