Seudónimo Seudónimo

16-02-2017
Mathematics

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One half of a sum of a number and 6 is 25. What is the number?

Respuesta :

16-02-2017

(1/2)(x + 6) = 25

You have to do the sum first so the 1/2 has to be outside of the parenthesis.
Distribute the 1/2 through the parenthesis.
1/2x + 3 = 25
subtract 3 from both sides
1/2x = 22
multiply 2 on both sides to clear the fraction
x = 44

CHECK
(1/2)(44 + 6)
(1/2)(50)
25

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