lashaunahard
22.07.2019 •
Mathematics
Iam having trouble solving for y. i solved for x in the second equation, but i cannot seem to figure it out by substituting for the other equation. 3x+5y=25, x-2y=-10
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Ответ:
3x + 5y = 25 --> 3(2y-10) + 5y = 25 --> 11y - 30 = 25 --> 11y = 55 --> y = 5
x = 2y -10 --> x = 2(5) -10 --> x =10 -10 --> x =0
Answer (0,5)
Ответ:
c
Step-by-step explanation: