0.30(20)+0.50x=0.40(20+x)

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Solution for 0.30(20)+0.50x=0.40(20+x) equation: 



0.30(20)+0.50x=0.40(20+x)

We move all terms to the left:

0.30(20)+0.50x-(0.40(20+x))=0

We add all the numbers together, and all the variables

0.50x-(0.40(x+20))+0.3020=0

We add all the numbers together, and all the variables

0.50x-(0.40(x+20))+0.302=0



We calculate terms in parentheses: -(0.40(x+20)), so:

0.40(x+20)

We multiply parentheses

0.4x+8

Back to the equation:

-(0.4x+8)



We get rid of parentheses

0.50x-0.4x-8+0.302=0

We add all the numbers together, and all the variables

0.1x-7.698=0

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

0.1x=7.698

x=7.698/0.1

x=76+0.098/0.1

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