Juan L.

asked • 12/04/13

3(R+-9)+9=-3 need help finding the "R" (-)= negative

i really dont know how to solve this problem, i dont even where to start at.

4 Answers By Expert Tutors

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Parviz F. answered • 12/04/13

Tutor
4.8 (4)

Mathematics professor at Community Colleges

Noreen D.

I agree. But a student with no idea should learn the steps, then later they master the shorter version. I noticed the student's comment that - had no idea where to start.
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12/04/13

Noreen D. answered • 12/04/13

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5 (3)

Tutor with success - passion in helping students succeed

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