7(7-2a)=5(-3a+1)

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Solution for 7(7-2a)=5(-3a+1) equation: 



7(7-2a)=5(-3a+1)

We move all terms to the left:

7(7-2a)-(5(-3a+1))=0

We add all the numbers together, and all the variables

7(-2a+7)-(5(-3a+1))=0

We multiply parentheses

-14a-(5(-3a+1))+49=0



We calculate terms in parentheses: -(5(-3a+1)), so:

5(-3a+1)

We multiply parentheses

-15a+5

Back to the equation:

-(-15a+5)



We get rid of parentheses

-14a+15a-5+49=0

We add all the numbers together, and all the variables

a+44=0

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

a=-44

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