SOLUTION: I need this linear equation solved pleased. 7-4(3x+4)=-9x

Algebra ->  Linear-equations -> SOLUTION: I need this linear equation solved pleased. 7-4(3x+4)=-9x      Log On


   

Question 188196: I need this linear equation solved pleased. 7-4(3x+4)=-9x
Found 2 solutions by jim_thompson5910, Mathtut:
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

7-4%283x%2B4%29=-9x Start with the given equation.


7-12x-16=-9x Distribute.


-12x-9=-9x Combine like terms on the left side.


-12x=-9x%2B9 Add 9 to both sides.


-12x%2B9x=9 Add 9x to both sides.


-3x=9 Combine like terms on the left side.


x=%289%29%2F%28-3%29 Divide both sides by -3 to isolate x.


x=-3 Reduce.


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

Answer:

So the answer is x=-3

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
7-4(3x+4)=-9x
:
7-12x-16=-9x.....distributed left side
:
-3x-9=0......combined constant terms and added 9x to both sides
:
-3x=9.....added 9 to both sides
:
x=-3....divided by -3 to isolate x