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When twenty is reduced by one-third of a number, the result is 19. Find the number.

User Erick Robertson
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1 Answer

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12 votes

Answer:

x = 3

Explanation:

When twenty is reduced by one-third of a number, the result is 19. Find the number.

20 - 1/3x = 19

subtract 20 to both sides:

20 - 1/3x - 20 = 19 - 20

-1/3x = -1

multiply both sides by -3:

-3(-1/3x) = -1(-3)

x = 3

User Arash Payan
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