-4=3/5b-7

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



-4=3/5b-7

We move all terms to the left:

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



Domain of the equation: 5b-7)!=0

b∈R



We get rid of parentheses

-3/5b+7-4=0

We multiply all the terms by the denominator


7*5b-4*5b-3=0

Wy multiply elements

35b-20b-3=0

We add all the numbers together, and all the variables

15b-3=0

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

15b=3

b=3/15

b=1/5

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