darriennichole
25.01.2021 •
Mathematics
Cheetahs Number tagged: 75 tagged I The Ranger found a pack of 56 cheetahs and 6 had tags. Find the total population?
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Ответ:
x = 3y + 51
4x - 2y = - 10...,..2
substituting value of x in equation 2
4(3y+5)-2y=-10
12y+20-2y=-10
10y=-10-20
y=-30/10=-3 is answer
substituting value of y in equation 1
x=3×-3+5=-9+5=-4 is answer