Ithink i got the right answer but i am not quite sure may someone me if i got the wrong answer need answer asap you

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Solve the equation. then check your solution 8=1.88+a