7-4b=9

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Solution for 7-4b=9 equation:



7-4b=9
We move all terms to the left:
7-4b-(9)=0
We add all the numbers together, and all the variables
-4b-2=0
We move all terms containing b to the left, all other terms to the right
-4b=2
b=2/-4
b=-1/2

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