15t-3(t+7)=57

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Solution for 15t-3(t+7)=57 equation: 



15t-3(t+7)=57

We move all terms to the left:

15t-3(t+7)-(57)=0

We multiply parentheses

15t-3t-21-57=0

We add all the numbers together, and all the variables

12t-78=0

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

12t=78

t=78/12

t=6+1/2

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