4 years ago

Solve: five more than a number is the same as twice the number. find the number.

Mathematics

2 answers:

Vikki [24]4 years ago

7 0

Let the unknown number be x.

Given,

x + 5 = 2x

x = 5

Hence, the number is 5.

zysi [14]4 years ago

4 0

Let x = the unknown number

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

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