13a+7=42

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Solution for 13a+7=42 equation: 



13a+7=42

We move all terms to the left:

13a+7-(42)=0

We add all the numbers together, and all the variables

13a-35=0

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

13a=35

a=35/13

a=2+9/13

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