Luke thinks of a number.
He multiplies this number by 5 then subtracts 6.
His answer is 19. What was Luke's original number?
Luke's friend thinks of a number.
He then does the following operations:
Multiply by 2, subtract 3, multiply by 3 then add 27 (in that order). He finds that the number he ends up with is 9 times his original number.
What was Luke's friend's original number?
Change NumbersEasier Questions
Topics: Starter  Algebra  Functions
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Teacher, do your students have
access to computers? 

Here a concise URL for a version of this page without the comments.
Here is the URL which will take them to the Think Of A Number exercise.
Here is the URL which will you to our eQuation Generator which provides unlimited practice solving linear equations.