ayedzughier
ayedzughier
04-04-2021
Mathematics
contestada
x+y=4
x-y=-2
who can solve it?
Respuesta :
meowmeow223334
meowmeow223334
04-04-2021
Use elimination
x + y = 4
x - y = -2
Subtract both sides
2y = 6, y = 3
Plug 3 into y to find x
x + 3 = 4
x = 1
Solution; x = 1, y = 3
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