T(30)=-15+1/2n

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Solution for T(30)=-15+1/2n equation: 



(30)=-15+1/2T

We move all terms to the left:

(30)-(-15+1/2T)=0



Domain of the equation: 2T)!=0

T!=0/1

T!=0

T∈R



We add all the numbers together, and all the variables

-(1/2T-15)+30=0

We get rid of parentheses

-1/2T+15+30=0

We multiply all the terms by the denominator


15*2T+30*2T-1=0

Wy multiply elements

30T+60T-1=0

We add all the numbers together, and all the variables

90T-1=0

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

90T=1

T=1/90

T=1/90

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