Answer: B
Step-by-step explanation: The domain are all x values, meaning only the x values are counted for the domain.
Answer:
x = 1
y = -3
Step-by-step explanation:
if y = x - 4
then reorganise the first equation
4 (x - 4) = 9x -21
4x - 16 = 9x - 21
5 = 5x
x = 1
Answer:
It is given that 5x−3y=k
Now by substituting the value of x and y in the equation
5(3)−3(4)=k
So we get
15−12=k
k=3
Therefore, the value of k is 3
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