SOLUTION: please help me with the equation : -7x+5=21-5x

Algebra ->  Systems-of-equations -> SOLUTION: please help me with the equation : -7x+5=21-5x      Log On


   



Question 611381: please help me with the equation : -7x+5=21-5x
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
-7x%2B5=21-5x Start with the given equation.


-7x=21-5x-5 Subtract 5 from both sides.


-7x%2B5x=21-5 Add 5x to both sides.


-2x=21-5 Combine like terms on the left side.


-2x=16 Combine like terms on the right side.


x=%2816%29%2F%28-2%29 Divide both sides by -2 to isolate x.


x=-8 Reduce.


----------------------------------------------------------------------

Answer:

So the solution is x=-8
--------------------------------------------------------------------------------------------------------------
If you need more help, email me at jim_thompson5910@hotmail.com

Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you

Jim
--------------------------------------------------------------------------------------------------------------