Х=0 (15+3Х)÷3=6= (12+7Х)×2=24= 7(Х+2)=49= 15÷(Х+2)=49= 21÷(Х-7)=7=

Question

Х=0
(15+3Х)÷3=6=
(12+7Х)×2=24=
7(Х+2)=49=
15÷(Х+2)=49=
21÷(Х-7)=7=

Answer 1

1) 5+x=6
X=1
2)24+14x=24
14x=0
x=o
3)7x+14=49
7x=35
x=5
4)(21/x)-3=7
x-63=147
Тадаа, удачи)
x=210