(3 1/2-1/4x)×8=3 d)(5 3/5-2/3x)×15=8 w)18 5/44-m=16 7/22 g)6 13/20-k=2 8/15

(3 1/2-1/4x)×8=3
-1/4х=3/8-3 1/2
-1/4х=-3 4/8+3/8
Х=-3 1/8:(-1/4)
Х=25/8*4/1
Х=25/2=12 1/2

d)(5 3/5-2/3x)×15=8
-2/3х=8/15-5 3/5
-2/3х=-5 9/15+8/15
Х=-5 1/15:(-2/3)
Х=76/15*3/2=38/5
Х=7 3/5

w)18 5/44-m=16 7/22
-m=16 7/22-18 5/44
-m=-18 5/44+16 14/44
-m=-17 49/44+16 14/44
m=1 35/44

g)6 13/20-k=2 8/15
K=6 13/20-2 8/15
K=4 39/60-32/60
K=4 7/60