4a+9a=52

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Solution for 4a+9a=52 equation: 



4a+9a=52

We move all terms to the left:

4a+9a-(52)=0

We add all the numbers together, and all the variables

13a-52=0

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

13a=52

a=52/13

a=4

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