-4=b/2-2b

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Solution for -4=b/2-2b equation: 



-4=b/2-2b

We move all terms to the left:

-4-(b/2-2b)=0



Domain of the equation: 2-2b)!=0

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

-2b)!=-2

b!=-2/1

b!=-2

b∈R



We add all the numbers together, and all the variables

-(-2b+b/2)-4=0

We get rid of parentheses

2b-b/2-4=0

We multiply all the terms by the denominator


2b*2-b-4*2=0

We add all the numbers together, and all the variables

-1b+2b*2-8=0

Wy multiply elements

-1b+4b-8=0

We add all the numbers together, and all the variables

3b-8=0

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

3b=8

b=8/3

b=2+2/3

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