Answer :
x - y = 3
You need to solve for y:
Subtract x from both sides:
-y = -x + 3
Multiply by -1 to make y positive:
y = x - 3
Replace y with:f(x)
The answer is f(x) = x - 3
x - y = 3
You need to solve for y:
Subtract x from both sides:
-y = -x + 3
Multiply by -1 to make y positive:
y = x - 3
Replace y with:f(x)
The answer is f(x) = x - 3