0.3x=0.1(x+30)

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Solution for 0.3x=0.1(x+30) equation: 



0.3x=0.1(x+30)

We move all terms to the left:

0.3x-(0.1(x+30))=0



We calculate terms in parentheses: -(0.1(x+30)), so:

0.1(x+30)

We multiply parentheses

0.1x+3

Back to the equation:

-(0.1x+3)



We get rid of parentheses

0.3x-0.1x-3=0

We add all the numbers together, and all the variables

0.2x-3=0

We move all terms containing x to the left, all other terms to the right

0.2x=3

x=3/0.2

x=15

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