Question

10+2x=45:9.3

Answer 1

`10+2x=45:9×3`

`10+2x=5×3`

`10+2x=15`

`2x=15-10`

`2x=5`

`x=5/2`

Answer 2

10+2x=45:9.3

=>10+2x=5.3

=>10+2x=15

=>2x=15-10

=>2x=5

=>x=5:2

=>x=2,5

Vậy x=2,5