90=7x+(5x/18)

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Solution for 90=7x+(5x/18) equation: 



90=7x+(5x/18)

We move all terms to the left:

90-(7x+(5x/18))=0

We add all the numbers together, and all the variables

-(7x+(+5x/18))+90=0

We multiply all the terms by the denominator


-(7x+(+5x+90*18))=0



We calculate terms in parentheses: -(7x+(+5x+90*18)), so:

7x+(+5x+90*18)

We add all the numbers together, and all the variables

7x+(5x+1620)

We get rid of parentheses

7x+5x+1620

We add all the numbers together, and all the variables

12x+1620

Back to the equation:

-(12x+1620)



We get rid of parentheses

-12x-1620=0

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

-12x=1620

x=1620/-12

x=-135

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