what does k equal in kx+2y=k; if (2,-2)
k(2)+2(-2)=k 2k-4=k +4 +42k=k+4-k -kK=4
Simplify both sides of the equation
k(2)+(2)(-2) = k
Simplify
2k-4 = k
Subtract k from both sides
2k-4-k = k-k
k-4 = 0
Add 4 to both sides
k-4+4 = 0+4
k = 4
I hope that's help !
