Answer:
C
Step-by-step explanation:
To solve, use inverse operations:

Now we solve for both +/- 7.
x+6=7
x=1
x+6=-7
x=-13
Answer: A.
Step-by-step explanation:
The first equation shows C and D, and the second shows C and B. The overlap will be at C, so thats the answer.
The answer is 1100 centimeters.
Answer:
Answer: 55
Step-by-step explanation: