x.3+4=13

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Solution for x.3+4=13 equation: 



x.3+4=13

We move all terms to the left:

x.3+4-(13)=0

We add all the numbers together, and all the variables

x.3-9=0

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

x.3=9

x=9/1

x=9

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