Question

53) 86 ( 2 . x + 1 ) : 3 = 69

Answer 1

=>86(2x+1)=177

=>2x+1=177/86

=>2x=91/86

hay x=91/172

Answer 2

`86.(2x+1):3=69`

`86.(2x+1)=69 xx 3`

`86.(2x+1)= 207`

`2x+1=207:86`

`2x+1=207/86`

`2x=207/86-1`

`2x=121/86`

`x=121/86:2`

`x=121/172`