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For this exercise, you need
♥
INTERNET EXPLORER 6.0 and above, with MathPlayer installed.
♥
SOLVING SIMPLE SENTENCES BY INSPECTION
Jump right to the exercises!
See the best ALGEBRA PINBALL time for this exercise
The concepts for this exercise are summarized below.
For a complete discussion, read the text.
(Click here for solutions to the text exercises.)
In this exercise, you will practice solving sentences "by inspection".
That is, you will look at the sentence, stop and think, and come up with a number that makes the sentence true.
Some sentences have exactly one solution.
Some sentences have many solutions; you will provide only one.
You should do this exercise without using a calculator.
EXAMPLES:
Solve:
x=5
Answer: 5
Solve:
x>
5
Answer: 5.1, or 6, or 1007.4; any number in the set
(5,∞
).
Solve:
x6
=12
Answer: 3
Solve:
x+2=9
Answer: 7