HELP

Joe worked out his homework problem below. Choose the statement that best describes his work.

Solve for x in the diagram below.





Step 1: 3x-7+4x+5=180

Step 2: 7x-2=180

Step 3: 7x=182

Step 4: x=26

A) All of Joe's work is correct. The solution is x = 26.
B) In step 1, Joe incorrectly added the two expressions together and set them equal to 180° instead of setting them equal to each other.
C) To get to step 2, Joe combined like terms incorrectly.
D) To get to step 3, Joe incorrectly added 2 to both sides, instead of dividing both sides by 7.