Question

1)56:(6-х)=7 2)(х-12)*3=45 3)9-(х+5)= -3 4)7-(22-х)=10 5) |7*х|=21

Answer 1

1) 56÷(6-x)=7
6-x=8
x=-1
2) (x-12)×3=45
x-12=15
x=27
3) 9-(x+5)=-3
9-x-5=-3
x=
4) 7-(22-x)=10
7-22+x=10
x=25
5) |7×x|=21
|x|=21/7
x=3; -3