Question

1526 Найдите x:

1) 3x÷32=7,5÷20;=

3) 10,5÷2x=18,9÷9;=​

Answer 1

a) 3x÷32=7,5÷20

3x=(7,5*32)÷20

3x=12

x=4

b) 10,5÷2x=18,9/9

2x=(10,5*9)/18,9

2x=5

x=2,5.