Zad 3 a) 5x + 9 = 2x+ 36 b) 12x + 4 = 7x + 14 zad 4 a) 5x + 9 = 2x + 36 b) 23s - 45 = 19s - 39
Zad 3
a) 5x + 9 = 2x+ 36
b) 12x + 4 = 7x + 14
zad 4
a) 5x + 9 = 2x + 36
b) 23s - 45 = 19s - 39
Zad 3 A)5x-2x=36-9 3x=27//:3 x=9 B)12x-7x=14-4 5x=10//:5 x=2 Zad 4 A)5x-2x=36-9 3x=27//:3 x=9 B)23s-19s=(-39)+45 4s=6//:4 s=1,5