2x=5x-21

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Solution for 2x=5x-21 equation: 


Simplifying
2x = 5x + -21

Reorder the terms:
2x = -21 + 5x

Solving
2x = -21 + 5x

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 = -21 + 5x + -5x

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

Combine like terms: 5x + -5x = 0
-3x = -21 + 0
-3x = -21

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

Simplifying
x = 7

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