Question

Решите уравнения:
1)8888:11+x=999
2)945:y-20=15
3)(X:12)×35=210
4)(15×x):18=35

Answer 1

1) 8888:11+x=999

808+x=999

x=999-808

x=191

2) 945:y-20=1`5

945:y=15+20

945:y=35

y=945:35

y=27

3) х:12 = 210:35

х:12=6

х=6*12

х=72

4) (15х)/18=35

(5х)/6=35

x/6=7

x=7*6

x=42