3a+30=39

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Solution for 3a+30=39 equation:



3a+30=39
We move all terms to the left:
3a+30-(39)=0
We add all the numbers together, and all the variables
3a-9=0
We move all terms containing a to the left, all other terms to the right
3a=9
a=9/3
a=3

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