bluetigerbird5323
16.01.2020 •
Mathematics
−2x = 4y + 6 2(2y + 3) = 3x − 5 what is the solution (x, y) to the system of equations above
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Ответ:
(1;-2)
Step-by-step explanation:
x=-2y-3
2(2y+3)=-6y-9-5
10y=-20
y=-2
x=4-3=1
Ответ:
20.125 miles
Step-by-step explanation:
Use cross multiplication method.