The sum of fifteen and six times a number t is 81

2 answers
Question:

The sum of fifteen and six times a number t is 81

Answers

well the sum is 15+6=21. then you must do 81-21=60. So your answer must be t=60.

We need to turn this phrase into an algebraic equation and then solve...in math"of" means times (x)"is" means equals (=)"sum" means you're going to addThe sum (we are going to add) of 15 and six times a number t (15 + 6t) is 81 (= 81).  So write it out...15 + 6t = 81Now solve for t.  First subtract 15 from each side...15 + 6t - 15 = 81 - 156t = 66Now divide each side by 6 to get t by itself...6t/6 = 66/6t = 11Done!

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