natashalane8617
29.08.2019 •
Mathematics
Use elimination method to solve 3x+y=-14 and -2x-y=9
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Ответ:
3x+y-2x-y= -14+9
x= -5
-2. (-5) -y=9
10-y=9
y=1
Ответ:
each side is 13 becasue u will divide 52 and 4
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