3=-5/1*2+b

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Solution for 3=-5/1*2+b equation: 



3=-5/1*2+b

We move all terms to the left:

3-(-5/1*2+b)=0



Domain of the equation: 1*2+b)!=0

b∈R



We add all the numbers together, and all the variables

-(b-5)+3=0

We get rid of parentheses

-b+5+3=0

We add all the numbers together, and all the variables

-1b+8=0

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

-b=-8

b=-8/-1

b=+8

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