75=50/40(20)+b

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Solution for 75=50/40(20)+b equation: 



75=50/40(20)+b

We move all terms to the left:

75-(50/40(20)+b)=0



Domain of the equation: 4020+b)!=0

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

b)!=-4020

b!=-4020/1

b!=-4020

b∈R



We add all the numbers together, and all the variables

-(+b+50/4020)+75=0

We get rid of parentheses

-b+75-50/4020=0

We multiply all the terms by the denominator


-b*4020-50+75*4020=0

We add all the numbers together, and all the variables

-b*4020+301450=0

Wy multiply elements

-4020b+301450=0

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

-4020b=-301450

b=-301450/-4020

b=74+397/402

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