B - 7x = a - b
Subtract b from both sides.
-7x = a - 2b
Divide both sides by -7.
x = 
Answer:
1. An intuitive understanding of number, their magnitude, relationships, and how they are affected by operations.
2. The ability to work outside the traditionally taught algorithms.
3. The ability to perform mental mathematics
4. The ability to look at the world and make comparisons.
5. (In non-human animals) The ability to perceive changes in the number of things in a collection.
B I think that is the answer. If its not please let me know.
1,2,3,,4,6,8,12,24 are the factors of 24
The first one in the top is 180 degrees so 8(15) and 8x15=120 so x on the other side is 60.
