Question

c) 2x + 36 : 12 = 5 3 d) ( 5x – 2 4 ) . 38 = 2. 311 

trả lời giúp mình ạ

Answer 1

a: \(2x+36:12=5\cdot3\)

\(\Leftrightarrow2x+3=15\)

hay x=6

Answer 2

`2x + 36 : 12 = 53`

`<=>2x + 3 = 53`

`<=>2x = 50`

`<=> x = 25`

d)

`(5x-24).38=2.311`

`<=> 5x-24 = 311/19`

`<=> x = (311/19 + 24)  :5`

`<=> x = 767/95`