SOLUTION: can you help me evaulate this function for the function f(x)= -1/2x + 6,find the value of x for which f(x)=x

Algebra ->  Functions -> SOLUTION: can you help me evaulate this function for the function f(x)= -1/2x + 6,find the value of x for which f(x)=x      Log On


   

Question 628300: can you help me evaulate this function
for the function f(x)= -1/2x + 6,find the value of x for which f(x)=x
Answer by reviewermath(1029) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29+=+x
%28-1%2F2%29x+%2B+6+=+x, multiply both sides by -2
x+-+12+=+-2x
3x+=+12
highlight%28x+=+4%29