-5x=21-2x

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Solution for -5x=21-2x equation: 


Simplifying
-5x = 21 + -2x

Solving
-5x = 21 + -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.
-5x + 2x = 21 + -2x + 2x

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

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

Divide each side by '-3'.
x = -7

Simplifying
x = -7

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