Question

2 x ( x + 7 ) - 25 = 13

Answer 1

`2 xx (x + 7)-25=13`

`2 xx (x+7)=13+25

`2 xx (x+7)=38`

`x+7=38:2`

`x+7=19`

`x=19-7`

`x=12`

Answer 2

\(2x+14=13+25=38\Leftrightarrow2x=24\Leftrightarrow x=12\)

Answer 3

\(2\left(x+7\right)=13+25\\ 2\left(x+7\right)=38\\ x+7=19\\ x=19-7\\ x=12\)