4.2x+7x=13

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Solution for 4.2x+7x=13 equation: 



4.2x+7x=13

We move all terms to the left:

4.2x+7x-(13)=0

We add all the numbers together, and all the variables

11.2x-13=0

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

11.2x=13

x=13/11.2

x=1+1/6.2222222222222

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