7a-14=7(1+4a)

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Solution for 7a-14=7(1+4a) equation: 



7a-14=7(1+4a)

We move all terms to the left:

7a-14-(7(1+4a))=0

We add all the numbers together, and all the variables

7a-(7(4a+1))-14=0



We calculate terms in parentheses: -(7(4a+1)), so:

7(4a+1)

We multiply parentheses

28a+7

Back to the equation:

-(28a+7)



We get rid of parentheses

7a-28a-7-14=0

We add all the numbers together, and all the variables

-21a-21=0

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

-21a=21

a=21/-21

a=-1

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