7=4-5b+4b

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Solution for 7=4-5b+4b equation: 



7=4-5b+4b

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

1b-4+7=0

We add all the numbers together, and all the variables

b+3=0

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

b=-3

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