Which step is not necessary when solving this system of equations by graphing?
[3x-y=4
Tx+y=4
Identify the point of intersection.
Choose a method to graph the equations,
Determine the shaded area for each line.
Write the solution as an ordered pair.

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}

dont know

step-by-step explanation:

just get this app called photo math it should be able to do those

need more info

step-by-step explanation:

what do you mean by "representation"? graph? table? etc.