ebh3
18.03.2021 •
Mathematics
Solve the simultaneous equation plz x
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Ответ:
x=4,y=3
Step-by-step explanation:
x=19-5y if we transpose equation 2 for x.
Plug that into equation 1
4(19-5y)+3y=25
76-20y+3y=25
76-25=17y
51=17y
y=3
Plug y=3 into equation 2
x+5(3)=19
x=19-15=4
Ответ:
the answer is A 569(0.18)