Question

18 + x x 5 = 66,5

Answer 1

`18+x xx5=66,5`

`x xx5=66,5-18`

`x xx5=48,5`

`x=48,5:5`

`x=9,7`

Answer 2

x*5=6,5-18

x*5=48,5

x=48,5:5

=>x=9,7

Xin 1 tick