naomiiilct
naomiiilct
28-10-2021
Mathematics
contestada
Solve the system of equations
3x-y=6
6x+y=21
Respuesta :
89hg4f5524
89hg4f5524
28-10-2021
3x-y=6
6x+y=21
9x=27
/9 /9
X=3
6(3)+y=21
18+y=21
-18 -18
Y=3
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