Andrew M. answered • 03/24/18

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Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors

Call the number x

multiplied by 5: 5x

added to 7: 5x + 7

gives 42: 5x + 7 = 42

5x + 7 = 42

5x = 35

x = 7