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26.10.2021 •
Mathematics
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Ответ:
2x + 3y = 3 ... (i)
7x - 3y = 24 ... (ii)
Adding (i) and (ii) we get;
9x + 0 = 27 , 9x = 27 , x = 3
Replacing x=3 in equation (i) we get;
2(3) + 3y = 3
3y = 3 - 6 , 3y = -3 , y = -1
The solution (x,y) of the system of equations above is (3,-1)