cm000675
cm000675
01-10-2021
Mathematics
contestada
3x + 2y = 1 5x – 2y = 39
Respuesta :
keenan39
keenan39
01-10-2021
3x + 2y = 39
-3x -3x
2y = 39-3x
— ———
2 2
y= 19.5 - 3x/2
plug (19.5 - 3x/2) for y
1.5x - 2(19.5 - 3x/2)= 39
x= 17.33333333334
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