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:)
Substitute 22 for x
2(22)-5
44-5
39
Answer:
Move all terms not containing
x
to the right side of the inequality.
Inequality Form:
x > 48
Interval Notation:
(48,∞)
Hope this helps
Answer:
16/18
24/27
extra: 32/36
Step-by-step explanation:
Multiply the numerator and the denominator by any number and whatever comes out is considered equivalent to that. :)
