A)x+97/10=422/15
x=422/15-97/10
x=844/30-291/30
x=553/30
x=18.13/30
18.13/30+9.7/10=28.2/15
г)69/11+б=1424/121
б=1424/121-69/11
б=1424/121-759/121
б=665/121
б=5.60/121
6.3/11+5.60/121=11.93/121
д)329/36-х=22/9
х=329/36-88/36
х=241/36
х=6.25/36
9.5/36-6.25/36=22/9
е)к-317/60=149/20
к=317/60+149/20
к=317/60+447/20
к=764/60