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(x + 20%x) - (y+2)=4
x+y=16
x+0,2x-y-2=4
x+y=16
1,2x-y=4+2
x+y=16
1,2x-y=6
2,2x=22 /:2,2
x=10
Szukamy y:
x+y=16
10+y=16
y=16-10
y=6
Pozdrawiam;)
(x + 20%x) - (y + 2) = 4
x + y = 16
(x + 0,2x) - (y + 2) = 4
x + y = 16
1,2x - y - 2 = 4
x + y = 16
1,2x - y = 6
Dodajemy stronami:
2,2x = 22
22x = 220
x = 10
x + y = 16
10 + y = 16
y = 16 - 10 = 6
y = 6
x = 10