Kayla S.
asked • 10/22/132x+4y+3z=5x+10y-15 z=
- need help this is so confusing and my teacher doesn't teach us anything ahhhh
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1 Expert Answer
William S. answered • 10/22/13
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Experienced scientist, mathematician and instructor - William
Kayla,
Are you certain you copied the problem correctly? It is unclear to me what needs to be done.
OK:
2x + 4y +3z = 5x + 10y -15
3z = 5x +10y - 15 -2x -4y = x(5 -2) +y(10 - 4) - 15
3z = 3x + 6y -15
z = x +2y - 5
Happy to be of help, Kayla!
Kayla S.
I copied it correctly
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10/22/13
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James H.
10/22/13