0.20(100+x)=30+0.1x

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Solution for 0.20(100+x)=30+0.1x equation:


Simplifying
0.20(100 + x) = 30 + 0.1x
(100 * 0.20 + x * 0.20) = 30 + 0.1x
(20 + 0.20x) = 30 + 0.1x

Solving
20 + 0.20x = 30 + 0.1x

Solving for variable 'x'.

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

Add '-0.1x' to each side of the equation.
20 + 0.20x + -0.1x = 30 + 0.1x + -0.1x

Combine like terms: 0.20x + -0.1x = 0.1x
20 + 0.1x = 30 + 0.1x + -0.1x

Combine like terms: 0.1x + -0.1x = 0.0
20 + 0.1x = 30 + 0.0
20 + 0.1x = 30

Add '-20' to each side of the equation.
20 + -20 + 0.1x = 30 + -20

Combine like terms: 20 + -20 = 0
0 + 0.1x = 30 + -20
0.1x = 30 + -20

Combine like terms: 30 + -20 = 10
0.1x = 10

Divide each side by '0.1'.
x = 100

Simplifying
x = 100

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