Question

If 288 be added to a certain number , the result will be equal to three times the excess of the number over 12 . Find the number.

Answer 1

Let number be x
according to condition
x+288=3(x+12)
x+288= 3x+36
2x= 252
x = 126

Answer 2

Answer:

The solution is incorrect

Correct solution is

x+288=3(x-12)

x+288=3x-36

x-3x=-36-288

-2x=-324

x=324/2

x=162

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