Emyia T.
asked • 12/18/17Which algerbraic method do you think would be the most efficient?
5a-10b+15=0
-2a+4b=6
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1 Expert Answer
Carol H. answered • 12/18/17
Tutor
4.9
(285)
Masters' Degree in Mathematics with 35 years of Teaching Experience
Multiply both sides of -2a + 4b = 6 by 1/2 and then solve for a.
Now, use substitution.
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Mark M.
12/18/17