Kston2165
17.09.2019 •
Mathematics
Solve: five more than a number is the same as twice the number. find the number.
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Ответ:
five more than a number = twice the number
x + 5 = 2x
5 = 2x - x
5 = x
( Balance method is used to solve )
substitution
x + 5 = 2x
5 + 5 = 2 x 5
10 = 10
answer : the unknown number is 5
Ответ:
Given,
x + 5 = 2x
x = 5
Hence, the number is 5.
Ответ:
62.12
Step-by-step explanation: