SOLUTION: 9.1(1-x)+5x=-4.2(x-8)

Algebra ->  Equations -> SOLUTION: 9.1(1-x)+5x=-4.2(x-8)      Log On


   



Question 116180: 9.1(1-x)+5x=-4.2(x-8)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
9.1%281-x%29%2B5x=-4.2%28x-8%29 Start with the given equation


10%289.1%281-x%29%2B5x%29=10%28-4.2%28x-8%29%29 Multiply both sides by 10 to move the decimal on each number 1 time. This will make every number a whole number.


91%281-x%29%2B50x=-42%28x-8%29 Distribute and multiply


91-91x%2B50x=-42x%2B336 Distribute again


-41x%2B91=-42x%2B336 Combine like terms on the left side


-41x=-42x%2B336-91Subtract 91 from both sides


-41x%2B42x=336-91 Add 42x to both sides


x=336-91 Combine like terms on the left side


x=245 Combine like terms on the right side

--------------------------------------------------------------
Answer:
So our answer is x=245