SOLUTION: Solve the equation or formula for the variable specified. {{{3qr+9t=7u}}} for r

Question 547227: Solve the equation or formula for the variable specified. for r
Answer by mathie123(224) (Show Source): You can put this solution on YOUR website!

We need to isolate r.
One trick I learned is do your BEDMAS backwards. So starting with S/A, we see that we have +9t we must get rid of.

Okay, now there is no more addition or subtraction on the same side of the equation as the r. the next step is looking for any division or multiplication. We have a 3 and a q multiplied with the r, so we must divide these out.

And there it is!
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