7(5a+3)=-20+9a

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Solution for 7(5a+3)=-20+9a equation: 



7(5a+3)=-20+9a

We move all terms to the left:

7(5a+3)-(-20+9a)=0

We add all the numbers together, and all the variables

7(5a+3)-(9a-20)=0

We multiply parentheses

35a-(9a-20)+21=0

We get rid of parentheses

35a-9a+20+21=0

We add all the numbers together, and all the variables

26a+41=0

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

26a=-41

a=-41/26

a=-1+15/26

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