Asked by Satnam

If three times a number is decreased by 5, the result is 7. Find the number.

IS THIS RIGHT ?

3x -5 = 7
+5 +5
__________

3x = 12
___ ____
3 3

x=4


IS THIS CORRECT

Answered by Todd
That's correct.
Answered by drwls
You can always do a simple check of your answer, without redoing the derivation.

3x4 - 7 = 5.

Therefore, your answer is correct.
Answered by Satnam
thanks