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". In x + 2 = 7, x is a variable, but we can work out its value if we try!
Step-by-step explanation:
Answer:
2030
Step-by-step explanation:
the graph starts to decline 16 years after 2014 so 2014 + 16 = 2030
Answer:
180...
Step-by-step explanation:
15 x 12 = 180
The length of GQ is 2 1/3 (two and one-third) where x equals -2/3 (negative two-thirds).
Answer:
Step-by-step explanation:
4y-4=10x+65, this can be expressed in many ways...
4y-10x-4-65=0
4y-10x-69=0 or
4y=10x+69
y=(10x+69)/4