22-10-2019
Mathematics

contestada

Write an equation to represent that 1/3 of the sum of 20 and a number equals 8. What is the number?

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teresaroot50 teresaroot50

23-10-2019

Answer:

x=4

Step-by-step explanation:

1/3 (20 + x) = 8

multiply both sides of equation by reciprocal of 1/3

3/1 * 1/3 (20 + x) = 8 * 3/1

20 + x = 24

subtract 20 from both sides

x = 4

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