3 i 1/5 + x = 5
16/5 + x = 5 //x5
16+5x=25
5x= 9 //:5
x= 9/5
1/4x=6 //x4
x= 24
7a=12 //:7
a= 12/7
c/5 = 3 //x5
c= 15
3-2x=5
-2x=5-3
-2x = 2 //: (-2)
x= -2
4-x=8
-x=8-4
-x= 4 //x(-1)
x= -4
2a-6 = 10
2a=16 //:2
x=8
9-5k=24
-5k=15 //: (-5)
k= -3
