Question

320 + X x 3 = 620

 

Answer 1

`320+x xx3=620`

`=> x xx3=620-320`

`=> x xx3=300`

`=> x=300:3`

`=> x=100`

Answer 2

320 + X x 3 = 620

          X x 3 = 620 - 320

          X x 3 = 300

          X       = 300 : 3

          X       = 100

Answer 3

`320+x xx3=620`

`x xx3=620-320=300`

`x=300:3=100`

Answer 4

X 

Answer 5

320 + X x 3 = 620

X x 3= 620 - 320

X x 3= 300

X = 300 : 3

X = 100

Answer 6

100