Question

Find the equation of the line whose length of sum of intercepts is 9 and passes through (2,2)

Answer 1

x/a+y/b=1

a+b=9

put b=9-a

hence x/a+y/(9-a)=1 passes through (2,2)....

by solving a=3 or 6

hence eqns are

3x+6y=18

and

6x+3y=18