Question

_{(75 : 3 + 2 . 9^2) : x = 11}

 

Answer 1

`(75 : 3 + 2 . 9^2) : x = 11`

`=> (75 : 3 + 2 . 81) : x = 11`

`=> (25+ 162) : x = 11`

`=> 187  : x = 11`

`=>x=187:11`

`=>x=17`

Answer 2

 

Giúp ạ

 

Answer 3

\(\left(75:3+2.9^2\right):x=11\\ =>\left(25+2.81\right):x=11\\ =>\left(25+162\right):x=11\\ =>187:x=11\\ =>x=187:11\\ =>x=17\)

Answer 4

`(75:3 +2.9^2): x=11`

`(75:3+2.81):x=11`

`(25+162):x=11`

`187:x=11`

`x=187:11`

`x=17`