4.00x+15.00=3.50(30+x)

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Solution for 4.00x+15.00=3.50(30+x) equation: 



4.00x+15.00=3.50(30+x)

We move all terms to the left:

4.00x+15.00-(3.50(30+x))=0

We add all the numbers together, and all the variables

4.00x-(3.50(x+30))+15.00=0

We add all the numbers together, and all the variables

4.00x-(3.50(x+30))+15=0



We calculate terms in parentheses: -(3.50(x+30)), so:

3.50(x+30)

We multiply parentheses

3.5x+105

Back to the equation:

-(3.5x+105)



We get rid of parentheses

4.00x-3.5x-105+15=0

We add all the numbers together, and all the variables

0.5x-90=0

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

0.5x=90

x=90/0.5

x=180

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