7-7a=7(1-a)

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Solution for 7-7a=7(1-a) equation: 



7-7a=7(1-a)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(7(-1a+1)), so:

7(-1a+1)

We multiply parentheses

-7a+7

Back to the equation:

-(-7a+7)



We get rid of parentheses

-7a+7a-7+7=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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