SOLUTION: Find a number such that if 3 times the number is decreased by 15 the result is twice the opposite of the number,

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Question 378758: Find a number such that if 3 times the number is decreased by 15 the result is twice the opposite of the number,
Found 2 solutions by user_dude2008, mananth:
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
3x-15=-2x

3x+2x=15
5x=15
x=3
number is 3

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let number be x
3 times the number less 15
3x-15 =-2x
+2x
3x+2x-15=2x-2x
5x-15=0
+15
3x+15-15=15
3x=15
/3
3x/3=15/3
x=5