Question

rogggg ajutati...63÷(42÷x)=9 (x×5)÷4=10 (36÷x)×6=54 (x÷7)+14=70 (25÷x)×7=35 (90:x)×6=60​

Answer 1

Salutare!:)

63:(42:x)=9

42:x=63:9

42:x=7

x=42:7

x=6

(x×5):4=10

x×5=10×4

x×5=40

x=40:5

x=8

(36:x)×6=54

(36:x)=54:6

36:x=9

x=36:9

x=4

(x:7)+14=70

(x:7)=70-14

x:7=56

x=56×7

x=392

(25:x)×7=35

(25:x)=35:7

25:x=5

x=25:5

x=5

(90:x)×6=60

(90:x)=60:6

90:x=10

x=90:10

x=9

Succes!