Dryer cost represented by x
Then, the washer costs (x + $72)
Together, they cost (x) + (x+72) = $772
2x+72 = 772
[subtract 97 from both sides]
x = 350
[divide both sides by 2]
The dryer cost $350
The washer cost $422.
Together, they cost $772
Answer:

Step-by-step explanation:
In order to evaluate a function at a given x-value, plug in that value into the actual function

The answers would be A D and E because if you were to flip them onto each other they would be the exact same