2x=21-5x

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Solution for 2x=21-5x equation: 


Simplifying
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 = 7x
7x = 21 + -5x + 5x

Combine like terms: -5x + 5x = 0
7x = 21 + 0
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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