rave35
04.08.2019 •
Mathematics
2x+8y=20 y=2 using substitution method
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Ответ:
2x + 8y = 20
>> 2x + 8(2) = 20
>> 2x + 16 = 20
>> 2x + 16 -16 = 20 - 16
>> 2x = 4
>> 2x / 2 = 4 / 2
>> x = 2
So x = 2, y = 2 is the solution. In order pair form (x,y) = (2,2)
Ответ:
Ответ:
c
Step-by-step explanation: