4=2-5b/7

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Solution for 4=2-5b/7 equation: 



4=2-5b/7

We move all terms to the left:

4-(2-5b/7)=0

We add all the numbers together, and all the variables

-(-5b/7+2)+4=0

We get rid of parentheses

5b/7-2+4=0

We multiply all the terms by the denominator


5b-2*7+4*7=0

We add all the numbers together, and all the variables

5b+14=0

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

5b=-14

b=-14/5

b=-2+4/5

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