(x- 15).8 =0 help meeeeeeee 6x - 45 = 27 187 :(5x +2) =11 224 :(2x - 6) =16

Đáp án + Giải thích các bước giải:

`(x-15).8=0`

`=> (x-15)=0:8`

`=>x-15=0`

`=>x=0+15`

`=>x=15`

Vậy `x=15`

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`6x-45=27`

`=>6x=72`

`=> x=72:6`

`= x=12`

Vậy `x=12`

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`187:(5x+2)=11`

`=> (5x+2)=187:11`

`=> 5x+2=17`

`=> 5x = 17-2`

`=> 5x=15`

`=>x=15:5`

`=>x=3`

Vậy `x=3`

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`224:(2x-6)=16`

`=> (2x-6)=224:16`

`=> 2x-6 = 14`

`=> 2x = 14+6`

`=> 2x = 20`

`=>x=10`

Vậy `x=10`

`#Sói`