10+5a=30

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Solution for 10+5a=30 equation: 



10+5a=30

We move all terms to the left:

10+5a-(30)=0

We add all the numbers together, and all the variables

5a-20=0

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

5a=20

a=20/5

a=4

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