układy równań ; zadanie 10 a) b)x+10=50 c)x=9-y 4x=20 y=x2 y-3=0 y=x+2
x+10=50
x=50-10
x=40
x=9-y
x+y=-9
4x=20/:4
x=5
y-3=0
y=0+3
y=3
y=x+2
y-x=2
tyle umiem :)
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x+10=50
x=50-10
x=40
x=9-y
x+y=-9
4x=20/:4
x=5
y-3=0
y=0+3
y=3
y=x+2
y-x=2
tyle umiem :)