Well,you have the answer on your paper already...
Answering so you can mark the other person brainliest
B but I'm not as sure though
Answer:
x=34
Step-by-step explanation:
x + (x + 11) =79
Combine like terms
2x+11 = 79
Subtract 11 from each side
2x+11-11 = 79-11
2x = 68
Divide by 2
2x/2 = 68/2
x = 34