Explain what you would do first to simplify the expression below. Justify why, and then state the
result of performing this step.
312
1212
2
4+²

how do you do this

Step-by-step explanation:

i dont know

step-by-step explanation:

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.