Question 581052: y=0.15x+18000
y=0.11x+20000
i need the steps to slving it, too. thanks! Found 2 solutions by stanbon, josmiceli:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! y=0.15x+18000
y=0.11x+20000
-------------------
Substitute and solve for "x":
0.15x + 18000 = 0.11x + 20000
0.04x = 2000
x = 2000/0.04
x = 50,000
=================
Cheers,
Stan H.
=================
You can put this solution on YOUR website! (1)
(2)
I can substitute (1) directly into (2)
Subtract from both sides
Subtract from both sides
Divide both sides by
Now plug this vfalue of into (1) or (2)
(1)
(1)
(1)
The solution is ( 50000,25500 )
check:
(2)
(2)
(2)
OK
(