Question

In the equation y = 4 x, if the value of x is increased by 2, what is the effect on the value of y ?

Answer 1

So if you have x+2 then

y=4(x+2)
distribute
y=4x+8
y will go up by 8

Answer 2

$y=4(x+2)\\ y=4x+8$

The value of y will increase by 8.