1) (Х -12)*11=77 2) 96 :(80 :Х)=6

Question

1) (Х -12)*11=77 2) 96 :(80 :Х)=6

Answer 1

(Х-12)*11=77
Х-12=77÷11
Х-12=7
Х=12+7
Х=19


96÷(80÷Х)=6
80÷Х=96÷6
80÷Х=16
Х=80÷16
Х=5