Question

x+9,6=12,8
x-7,2=15,8
5-x=2,8
3,1*x=18,3
4,8:x=16
3,4*x+10=7,8
x:1,2=15
2,7*x-9+81
(1+2+3.......+100)*x=6,25-2,5 pe 2

Answer 1

a) x= 12,8-9.6
x=3.2
b) x=15.8+7.2
x=23
c) x=2.8+5
x=7.8
d) x=18.3:3.1
x=5.9032258065
e) x=16x4.8
x=76.8
f) x=15•1,8
x=27