Question

Give the equations of two lines passsing through 3,21. How many more such lines are there and why​

Answer 1

Step-by-step explanation:

let the eq of such a line be

X+Y =K

put X =3 ,Y=21 a d find K

K= 3+21=24

eq, X+Y = 24

$\huge \bold \red{24}$