Zad 1. 3( z + 1) -2. =4z +5
3z + 3 -2 = 4z +5
3z - 4z= 5 -3 + 2
-z= 4 /*-1
Z = -4
Zad 2
2 ( z + 1) +6 =4 (2 - 3z) -4
2z +2 +6 = 8 - 12z -4
2z + 12z= 8 -4 -2 - 6
14z =-4 /:14
Z= -2/7
Zad 3
2z -1 = 4z +2
-2z= 3 /:-2
z= -1,5
Zad 4
1/3 z +4 = 1/2 z + 5
1/3 z - 1,2 z = 1
-1/6 z = 1 / *-6
z = -6
Zad 5
2x + 4 = 2 ( x - 2)
2x + 4 = 2x - 4
0x = -8 ( równanie sprzeczne)
