а) 8х-7х+10=12
8х-7х = 12-10
х = 2
б) 13у-15у-24=60
13у-15у = 60 + 24
- 2у = 84
у = 84 : (-2)
у = -42
в) 3z-2z+15=32
3z-2z = 32 - 15
z = 17
г) 6t+5t-33=0
6t+5t = 33
11t = 33
t = 33 : 11
t = 3
а) 8х-7х+10=12
8х-7х = 12-10
х = 2
б) 13у-15у-24=60
13у-15у = 60 + 24
- 2у = 84
у = 84 : (-2)
у = -42
в) 3z-2z+15=32
3z-2z = 32 - 15
z = 17
г) 6t+5t-33=0
6t+5t = 33
11t = 33
t = 33 : 11
t = 3