-3=5/4(7)+b

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Solution for -3=5/4(7)+b equation: 



-3=5/4(7)+b

We move all terms to the left:

-3-(5/4(7)+b)=0



Domain of the equation: 47+b)!=0

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

b)!=-47

b!=-47/1

b!=-47

b∈R



We add all the numbers together, and all the variables

-(+b+5/47)-3=0

We get rid of parentheses

-b-3-5/47=0

We multiply all the terms by the denominator


-b*47-5-3*47=0

We add all the numbers together, and all the variables

-b*47-146=0

Wy multiply elements

-47b-146=0

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

-47b=146

b=146/-47

b=-3+5/47

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