(7b)/12=4.2

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Solution for (7b)/12=4.2 equation: 



(7b)/12=4.2

We move all terms to the left:

(7b)/12-(4.2)=0

We add all the numbers together, and all the variables

7b/12-4.2=0

We multiply all the terms by the denominator


7b-(4.2)*12=0

We add all the numbers together, and all the variables

7b-50.4=0

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

7b=50.4

b=50.4/7

b=7+1/5

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