а) 8х-7х+10=12
8x – 7x = 12 – 10
x = 2
б)13у+15у -24 =60
13y + 15y = 60 + 24
28y = 84
y = 3
в)3z -2z +15 =32
3z – 2z = 32 – 15
z = 17
а) 8х-7х+10=12
8x – 7x = 12 – 10
x = 2
б)13у+15у -24 =60
13y + 15y = 60 + 24
28y = 84
y = 3
в)3z -2z +15 =32
3z – 2z = 32 – 15
z = 17