S=30-(1.4*d)

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Solution for S=30-(1.4*d) equation: 



=30-(1.4S)

We move all terms to the left:

-(30-(1.4S))=0

We add all the numbers together, and all the variables

-(30-(+1.4S))=0



We calculate terms in parentheses: -(30-(+1.4S)), so:

30-(+1.4S)

determiningTheFunctionDomain
-(+1.4S)+30

We get rid of parentheses

-1.4S+30

Back to the equation:

-(-1.4S+30)



We get rid of parentheses

1.4S-30=0

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

1.4S=30

S=30/1.4

S=21+0.6/1.4

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