SOLUTION: half of a certain number plus 3 gives the same value as twice the number plus 7

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: half of a certain number plus 3 gives the same value as twice the number plus 7      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 994779: half of a certain number plus 3 gives the same value as twice the number plus 7
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
half of a certain number plus 3 gives the same value as twice the number plus 7
.5n + 3 = 2n + 7
3 - 7 = 2n - .5n
-4 = 1.5n
n = -4/1.5
n = -22%2F3 is the number
:
:
Check this in the original statement using n = -2.667
.5(-2.667) + 3 = 2(-2.667) + 7
-1.333 + 3 = -5.333 + 7
-1.667 = -1.667