I am almost positive that the answer is the first one.
Answer:
x=45
Step-by-step explanation:
2x-56=34
Add 56 to both sides
2x-56+56=34+56
Simplify;
2x=90
Divide both sides by 2
2x/2=90/2
Simplify;
x=45
Answer: The answer is A, $78.00
Step-by-step explanation: Hope it helps