42000=21000+21000(0.03)(t)

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Solution for 42000=21000+21000(0.03)(t) equation: 



42000=21000+21000(0.03)(t)

We move all terms to the left:

42000-(21000+21000(0.03)(t))=0



We calculate terms in parentheses: -(21000+21000(0.03)t), so:

21000+21000(0.03)t

determiningTheFunctionDomain
21000(0.03)t+21000

We multiply parentheses

630t+21000

Back to the equation:

-(630t+21000)



We get rid of parentheses

-630t-21000+42000=0

We add all the numbers together, and all the variables

-630t+21000=0

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

-630t=-21000

t=-21000/-630

t=33+1/3

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