Rozwiaż układ równań, w załączniku.
10,5/x=y | *x
27/2x=y+0.2 |*2x
10.5=xy | * (-2)
27=2xy + 0.4x
-21x= -2xy
_________________________
+
6= 0.4x |*10
4x= 60 |:4
x= 15
10.5/ 15 = 0.7
x=15
y= 0.7
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10,5/x=y | *x
27/2x=y+0.2 |*2x
10.5=xy | * (-2)
27=2xy + 0.4x
-21x= -2xy
27=2xy + 0.4x
_________________________
+
6= 0.4x |*10
4x= 60 |:4
x= 15
10.5/ 15 = 0.7
x=15
y= 0.7