10+7a=20

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Solution for 10+7a=20 equation: 



10+7a=20

We move all terms to the left:

10+7a-(20)=0

We add all the numbers together, and all the variables

7a-10=0

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

7a=10

a=10/7

a=1+3/7

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