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Home > MC1 > Chapter 5 > Lesson 5.2.4 > Problem 5-82


Refer to problem 5-21 if you are having trouble starting this problem.

Which numbers add to 9 and multiply to 20?

What number do you need to multiply 3 by to get 1.5? Add this to 3 to get the sum.

The two numbers will be the same distance from 0 on the number line, but one will be negative.