215=5(1-6a)

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Solution for 215=5(1-6a) equation: 



215=5(1-6a)

We move all terms to the left:

215-(5(1-6a))=0

We add all the numbers together, and all the variables

-(5(-6a+1))+215=0



We calculate terms in parentheses: -(5(-6a+1)), so:

5(-6a+1)

We multiply parentheses

-30a+5

Back to the equation:

-(-30a+5)



We get rid of parentheses

30a-5+215=0

We add all the numbers together, and all the variables

30a+210=0

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

30a=-210

a=-210/30

a=-7

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