SOLUTION: Please help me - I know the answer to this problem but am not sure how it is solved: (-10)/(x-10) = (9)/(x+2) the answer is 70 divided by 19 thank you - I need this answe

Algebra ->  College  -> Linear Algebra -> SOLUTION: Please help me - I know the answer to this problem but am not sure how it is solved: (-10)/(x-10) = (9)/(x+2) the answer is 70 divided by 19 thank you - I need this answe      Log On


   



Question 22628: Please help me - I know the answer to this problem but am not sure how it is solved:
(-10)/(x-10) = (9)/(x+2) the answer is 70 divided by 19
thank you - I need this answer asap, please
bren

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply both sides by (x-10)(x+2) or simply cross-multiply.
Either way you get
(-10)(x+2) = (9)(x-10)
Then -10x-20 = 9x-90
19x = 70
x = 70/19
Cheers,
Stan H.