9/3=b/7

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Solution for 9/3=b/7 equation:



9/3=b/7
We move all terms to the left:
9/3-(b/7)=0
We add all the numbers together, and all the variables
-(+b/7)+9/3=0
We add all the numbers together, and all the variables
-(+b/7)+3=0
We get rid of parentheses
-b/7+3=0
We multiply all the terms by the denominator
-b+3*7=0
We add all the numbers together, and all the variables
-1b+21=0
We move all terms containing b to the left, all other terms to the right
-b=-21
b=-21/-1
b=+21

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