а)-3Х = 3Х = -1
-3Х = 0Х = 0
-3Х = -1Х = 1/3
б)5Х - 6 = -65Х = 0Х = 0
5Х - 6 = 05Х = 6Х = 6/5
5Х - 6 = -15Х = 5Х = 1
а)3у + 4 = 3 - 2у3у + 2у = 3 - 45у = -1у = -1/5
б)4z - 5 = - (14 + 5z)4z - 5 = -14 - 5z4z + 5z = -14 + 59z = -9z = -1
а)3 (х + 5) = 90х + 5 = 30х = 30 - 5х = 25
б)2 (х - 6) = -34х - 6 = -17х = -17 + 6х = -11
в)-2 (х + 12) = 6х-2х - 24 = 6х-24 = 8хх = -24/8х = -3
а)
-3Х = 3
Х = -1
-3Х = 0
Х = 0
-3Х = -1
Х = 1/3
б)
5Х - 6 = -6
5Х = 0
Х = 0
5Х - 6 = 0
5Х = 6
Х = 6/5
5Х - 6 = -1
5Х = 5
Х = 1
а)
3у + 4 = 3 - 2у
3у + 2у = 3 - 4
5у = -1
у = -1/5
б)
4z - 5 = - (14 + 5z)
4z - 5 = -14 - 5z
4z + 5z = -14 + 5
9z = -9
z = -1
а)
3 (х + 5) = 90
х + 5 = 30
х = 30 - 5
х = 25
б)
2 (х - 6) = -34
х - 6 = -17
х = -17 + 6
х = -11
в)
-2 (х + 12) = 6х
-2х - 24 = 6х
-24 = 8х
х = -24/8
х = -3