3=(t+15)/7

Solution for 3=(t+15)/7 equation:

3=(t+15)/7

We move all terms to the left:

3-((t+15)/7)=0

We multiply all the terms by the denominator


-((t+15)+3*7)=0


We calculate terms in parentheses: -((t+15)+3*7), so:

(t+15)+3*7

We add all the numbers together, and all the variables

(t+15)+21

We get rid of parentheses

t+15+21

We add all the numbers together, and all the variables

t+36

Back to the equation:

-(t+36)


We get rid of parentheses

-t-36=0

We add all the numbers together, and all the variables

-1t-36=0

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

-t=36

t=36/-1

t=-36