the sum -5 times a number and 7.5 is 22.5

The sum of -5 times a number and 7.5 is 22.
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2 Answers

7.5 -5x=22.5

5x=7.5-22.5

5x=-15

x=-3
by
x=-3
by Level 4 User (6.4k points)

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