b/4.2=-9

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Solution for b/4.2=-9 equation: 



b/4.2=-9

We move all terms to the left:

b/4.2-(-9)=0

We add all the numbers together, and all the variables

b/4.2+9=0

We multiply all the terms by the denominator


b+9*4.2=0

We add all the numbers together, and all the variables

b+37.8=0

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

b=-37.8

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