SOLUTION: Thank you very much to Mathut for helping me with my last expression! I have now this to solve for my COMPASS test and can't find a solution. Could you help me again?? if 3x=6

Algebra ->  Expressions-with-variables -> SOLUTION: Thank you very much to Mathut for helping me with my last expression! I have now this to solve for my COMPASS test and can't find a solution. Could you help me again?? if 3x=6      Log On


   



Question 172341: Thank you very much to Mathut for helping me with my last expression!
I have now this to solve for my COMPASS test and can't find a solution.
Could you help me again??
if 3x=6x-15 then x+8=
Thank you!
Adriana

Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
if 3x=6x-15
then
Solving for 'x':
3x=6x-15
adding 15 to both sides:
3x+15=6x
subtracting 3x from both sides:
15 = 3x
dividing both sides by 3:
5 = x
.
Now, we plug our value of 'x' into:
x+8
= 5+8
= 13 (this is what they're looking for)