SerenaPlamberry
06.10.2019 •
Mathematics
7x+5y=19 -7x-2y=-16 what is the solution of the system
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Ответ:
-7x-2y=-16 add because its a negative
3y=3
y=1
then you find x by placing 1 for y
7x+5(1)=19
7x=14
x=2
(2,1)
Ответ: