7*1.1^t=15+2t

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Solution for 7*1.1^t=15+2t equation: 



7*1.1^t=15+2t

We move all terms to the left:

7*1.1^t-(15+2t)=0

We add all the numbers together, and all the variables

7*1.1^t-(2t+15)=0

Wy multiply elements

7t-(2t+15)=0

We get rid of parentheses

7t-2t-15=0

We add all the numbers together, and all the variables

5t-15=0

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

5t=15

t=15/5

t=3

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