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Mathematics 20 Online
OpenStudy (anonymous):

Please help! Translate each sentence into an equation: Twice a number t decreased by eight equals seventy

jimthompson5910 (jim_thompson5910):

" Twice a number t " means 2t 2t means 2*t or 2 times t

OpenStudy (anonymous):

okay

jimthompson5910 (jim_thompson5910):

So "Twice a number t decreased by eight" tells you to subtract 8 from 2t we have this so far: 2t - 8

jimthompson5910 (jim_thompson5910):

and the whole thing equals 70, so 2t - 8 = 70 is your equation

OpenStudy (anonymous):

Okay thank you so much!

jimthompson5910 (jim_thompson5910):

np

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