Mathematics, 13.07.2019 12:20 Anahartie
Solve the system by substitution 2x-y+z=-4 z=5 -2x+3y-z=10
Answers: 1
Mathematics, 21.06.2019 19:00
Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?
Answers: 1
Solve the system by substitution 2x-y+z=-4 z=5 -2x+3y-z=10...
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