Not a hard question i just don't get it. i really need some here, its the final

Start with

Invert both sides:

Consider the square root of both sides with double sign:

We have

and

hi! i think the answer is 1/2 : )

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)