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Mathematics 22 Online
OpenStudy (anonymous):

solve for the variable. reduce the answer to lowest terms 8t - 5t=76

jimthompson5910 (jim_thompson5910):

8t-5t is ?

OpenStudy (eyust707):

You have 8 t's then take away 5 t's, how many t's are left?

OpenStudy (anonymous):

3t

jimthompson5910 (jim_thompson5910):

good

OpenStudy (eyust707):

yes!

jimthompson5910 (jim_thompson5910):

so 8t-5t = 76 becomes 3t = 76

jimthompson5910 (jim_thompson5910):

Now what do you do to both sides to isolate 't'?

OpenStudy (anonymous):

76??

jimthompson5910 (jim_thompson5910):

That's the value on the right side

jimthompson5910 (jim_thompson5910):

We have "3 times some number equals 76" So we need to undo this multiplication by doing what?

OpenStudy (anonymous):

3

jimthompson5910 (jim_thompson5910):

Do what with the 3?

OpenStudy (anonymous):

divide

jimthompson5910 (jim_thompson5910):

yes, divide both sides by 3

jimthompson5910 (jim_thompson5910):

this means 3t = 76 then turns into t = 76/3

OpenStudy (eyust707):

Amazing job Jim!

jimthompson5910 (jim_thompson5910):

thanks eyust707

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