Answer:
14 feet
Step-by-step explanation:
s2 = 196
Answer:
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown".
Step-by-step explanation:
In x + 2 = 7, x is a variable, but we can work out its value if we try:)
2x +8=2x+8
2x-2x=8-8
0x=0
So the answer is 0
