SOLUTION: For the functions f(x)=2x+1 and g(x)=3x-2, find (f-g)(4). Need this explained step by step as it is solved line by line

Algebra ->  Linear-equations -> SOLUTION: For the functions f(x)=2x+1 and g(x)=3x-2, find (f-g)(4). Need this explained step by step as it is solved line by line       Log On


   

Question 1139167: For the functions f(x)=2x+1 and g(x)=3x-2, find (f-g)(4).
Need this explained step by step as it is solved line by line
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

f%28x%29=2x%2B1 and g%28x%29=3x-2, find %28f-g%29%28x%29 first
%28f-g%29%28x%29=f%28x%29-g%28x%29
%28f-g%29%28x%29=2x%2B1-%283x-2%29
%28f-g%29%28x%29=2x%2B1-3x%2B2

%28f-g%29%28x%29=-x%2B3
then
find %28f-g%29%284%29=-4%2B3=-1