5x=21+4x

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Solution for 5x=21+4x equation: 


Simplifying
5x = 21 + 4x

Solving
5x = 21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
5x + -4x = 21 + 4x + -4x

Combine like terms: 5x + -4x = 1x
1x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
1x = 21 + 0
1x = 21

Divide each side by '1'.
x = 21

Simplifying
x = 21

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