Answer:
36
Step-by-step explanation:
set the number is [tex]x[/tex].
[tex]x - 21 = 3[/tex]x[tex]5[/tex]
[tex]x-21 = 15[/tex]
x = 36
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Answers & Comments
Answer:
36
Step-by-step explanation:
set the number is [tex]x[/tex].
[tex]x - 21 = 3[/tex]x[tex]5[/tex]
[tex]x-21 = 15[/tex]
x = 36