345Summer345 X-20=13×5
x-20=65
x=65+20
x=85

x÷7=150÷30
x÷7=5
x=7×5
x=35

Elina597 1) x-20=13*5
x-20=65
x=65+20
x=85
85-20=13*5
2) x:7=150:30
x:7=5
x=7*5
x=35
35:7=150:30