Podaj trzy pary liczb które są rozwiązaniem równań:
x-1=2y
0,5x=y+2
7x-y=10
6x+2y= x+5
x+y=15(x-y)
x-1=2y (x=5 y=2 / x=6 y=3 x=11 y=5")
0,5x=y+2 (x=4 y=0 / x=6 y=4 / x=10 y=3)7x-y=10 (x=3 y=11 / x=2 y=4' / x=4 y=18)
6x+2y=x+5 (x=3 y=-5 )
x+y= 15 (x+y) (x=0 y=0)
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x-1=2y (x=5 y=2 / x=6 y=3 x=11 y=5")
0,5x=y+2 (x=4 y=0 / x=6 y=4 / x=10 y=3)
7x-y=10 (x=3 y=11 / x=2 y=4' / x=4 y=18)
6x+2y=x+5 (x=3 y=-5 )
x+y= 15 (x+y) (x=0 y=0)