selfiegymnast
02.09.2020 •
Mathematics
2x – 4y = 24
x + 3y = 7
Solve by elimination
Solved
Show answers
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Ответ:
X+3y=7 (-2)
2x-4y=24
-2x-6y=-14
——————-
0 -10y=10
Y=-1
Reemplazar y en la ecuación
2x-4(-1)=24
2x+4=24
2X=20
X=10
Y=-1, X= 10
Hope this helps
Ответ:
$37.50 because 50% is half of 100% so you just divide 75 by 2.