Kx-3y=k
y=4x+1 ( we will put it in 1st equation )
kx - 3 (4x+1)=k
kx - 12 x - 3 =k
kx - 12 x = k+3
x(k-12) = k+3
x=

Also y=

We can not divide with zero.
k-12=0
k=12For k= 12 equations have no solutions.
Answer:
2.5 gallons of the 20% solution must be replaced by the 36% solution.
Step-by-step explanation:






Answer:
The answer to this question can be defined as follows:
Step-by-step explanation:
Given vertex:
(-2,3) and (-1,0)
finding slope:



According to the slope value, its value is greater than 1 that's why the graph has been dilated.
Answer:-8/15
Step-by-step explanation: