Find the measure of x:
find the measures of qr:

Step-by-step explanation:

Rectangles

It's a geometric shape with 4 straight sides with all interior angles of 90° and opposite sides parallel and of equal lengths. The given shape shows a rectagle whose opposite sides must be eaual, thus

Rearranging

The measure of QR is  

-1+4x which is the same as 3x+3, thus

show us the graphs dude

step-by-step explanation:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.