-3=7(y-1.2857)

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Solution for -3=7(y-1.2857) equation: 



-3=7(y-1.2857)

We move all terms to the left:

-3-(7(y-1.2857))=0



We calculate terms in parentheses: -(7(y-1.2857)), so:

7(y-1.2857)

We multiply parentheses

7y-8.9999

Back to the equation:

-(7y-8.9999)



We get rid of parentheses

-7y+8.9999-3=0

We add all the numbers together, and all the variables

-7y+5.9999=0

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

-7y=-5.9999

y=-5.9999/-7

y=3.0001000050002/3.5001750087504

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