SOLUTION: 5x-8x+7=22;-5

Algebra ->  Algebra  -> Expressions-with-variables -> SOLUTION: 5x-8x+7=22;-5      Log On

Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 97200: 5x-8x+7=22;-5
Answer by jim_thompson5910(14954) About Me  (Show Source):
You can put this solution on YOUR website!
I'm assuming you want to see if x=-5 makes the equation true or not right?

5x-8x%2B7=22 Start with the given equation


-3x%2B7=22 Combine like terms


-3%28-5%29%2B7=22 Plug in x=-5


15%2B7=22 Multiply


22=22 Add. Since the two sides of the equation are equal, x=-5 is a solution