x+0.05(x)=21

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Solution for x+0.05(x)=21 equation: 


Simplifying
x + 0.05(x) = 21

Combine like terms: x + 0.05x = 1.05x
1.05x = 21

Solving
1.05x = 21

Solving for variable 'x'.

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

Divide each side by '1.05'.
x = 20

Simplifying
x = 20

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