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!
7x + 3 is the final answer
Answer:
C. x = 6, y = –3
Step-by-step explanation:
I just took the test and got it right :)
Answer:
Convection! :)
Step-by-step explanation:
Answer:
x = 3/4
Step-by-step explanation:
The lowest common denominator is 4(x + 2) so we multiply each side by this:
3 = 4x
x = 3/4.
