Question

If `2x+13=17`, what is the value of `3x+1`?

Answer 1

7

Explanation:

`2x+13=17`

`2x=17-13=4`

`2x=4`

`x =2`

`:.` `color(blue)(x=2)`

Now,

`3x+1`

Plugging in the value of `x`

`(3×2)+1`

`6+1`

`7`