4.2x+7.2=137.4

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Solution for 4.2x+7.2=137.4 equation: 



4.2x+7.2=137.4

We move all terms to the left:

4.2x+7.2-(137.4)=0

We add all the numbers together, and all the variables

4.2x-130.2=0

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

4.2x=130.2

x=130.2/4.2

x=30+1/1

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