Question

IF ( 2, 3+K ) is the solution of the equation 2x-3y = 12 , find the value of K .

Answer 1

x=2,y=3+k
sub in 2x-3y=12
2(2)-3(3+k)=12
4-9-3k=12
5-3k=12
5-12=3k
-7=3k
k= -7/3 is answer

Answer 2

2(2)-3(3+k)=12,4-9-3k=12,-5-3k=12,-3k=17,K=-17/3