7(1+7a)=7+3a

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Solution for 7(1+7a)=7+3a equation: 



7(1+7a)=7+3a

We move all terms to the left:

7(1+7a)-(7+3a)=0

We add all the numbers together, and all the variables

7(7a+1)-(3a+7)=0

We multiply parentheses

49a-(3a+7)+7=0

We get rid of parentheses

49a-3a-7+7=0

We add all the numbers together, and all the variables

46a=0

a=0/46

a=0

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