-7b+4b=1+2b-4b

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Solution for -7b+4b=1+2b-4b equation: 



-7b+4b=1+2b-4b

We move all terms to the left:

-7b+4b-(1+2b-4b)=0

We add all the numbers together, and all the variables

-7b+4b-(-2b+1)=0

We add all the numbers together, and all the variables

-3b-(-2b+1)=0

We get rid of parentheses

-3b+2b-1=0

We add all the numbers together, and all the variables

-1b-1=0

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

-b=1

b=1/-1

b=-1

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