Inactive Tutor answered • 07/07/17
Tutor
New to Wyzant
solve for y, in second equation, then substitute into first equation...the latter should be simplfied by multiplying throughout by 15, which is the LCD
Alina B.
asked • 07/06/17Systems Of Equations By Elimination
Elimination Form:
2x/3 - 4y/5 = 1 and 3x-y=-7
2x/3 - 4y/5 = 1 and 3x-y=-7
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2 Answers By Expert Tutors
Inactive Tutor answered • 07/06/17
Tutor
New to Wyzant
2x/3 - 4y/5 = 1
10x - 12y = 15
3x - y = -7
36x - 12y = -84
10x - 12y = 15
26x = 99
Can you complete?
Inactive Tutor
Yup, those negative signs get me every time.
Thank you!
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07/07/17
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Inactive Tutor
07/07/17