21+18a=35+11a

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Solution for 21+18a=35+11a equation: 



21+18a=35+11a

We move all terms to the left:

21+18a-(35+11a)=0

We add all the numbers together, and all the variables

18a-(11a+35)+21=0

We get rid of parentheses

18a-11a-35+21=0

We add all the numbers together, and all the variables

7a-14=0

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

7a=14

a=14/7

a=2

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