When I triple my number and add five I get 26 what is my number

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asked Feb 23, 2016 174k views

5 votes

When I triple my number and add five I get 26 what is my number

Mathematics
middle-school

Samy asked

by Samy

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2 Answers

4 votes

My numbe is 7 because...

3x + 5 = 26
- 5 = 21
3x = 21
Divide 3x by 3 then 21 by 3
That leaves with 1x = 7

Pommefrite answered Feb 24, 2016

by Pommefrite

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3 votes

Let the number be X
3x+5=26
3x= 26-5
3x=21
x=7
The number is 7

Proof if it is required on your test:
3x+5=26
3(7)+5= 26
21+5=26
26=26

(Hope this helps!)

Casey Rule answered Feb 27, 2016

by Casey Rule

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