Któtkie zadanka 1. Rozwiąz równania 4x-3 i 1/3 = 18 i 2/3 4z + 6 = 18 ← do tego sprawdzenie

4x-3 i 1/3 = 18 i 2/3 4x=3i 1/3 + 18 i 2/3 4x=22 x= 5,5 4z + 6 = 18 18-6=4z 12=4z z=12 12+6=18

4x-3i1/3=18i2/3 4x=18i2/3+3i1/3 4x=22/:4 x=5i1/2 spr.4x5i1/2-3i1/3=18i2/3 4x11/2-3i1/3=18i2/3 21i3/3-3i1/3=18i2/3 18i2/3=18i2/3 4z+6=18 4z=18-6 4z=12/:4 z=3 spr.4x3+6=18 12+6=18 18=18