3q=4.2

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Solution for 3q=4.2 equation: 



3q=4.2

We move all terms to the left:

3q-(4.2)=0

We add all the numbers together, and all the variables

3q-4.2=0

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

3q=4.2

q=4.2/3

q=1+1/2.5

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