30a+4=40

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Solution for 30a+4=40 equation: 



30a+4=40

We move all terms to the left:

30a+4-(40)=0

We add all the numbers together, and all the variables

30a-36=0

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

30a=36

a=36/30

a=1+1/5

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