How is -9x+y=9 -18x-3y=18 equal infinity?

+3

653

1

How is -9x+y=9 -18x-3y=18 equal infinity?

Guest Apr 20, 2015

0 users composing answers..

Best Answer

+118723

+8

Are these simultaneous equations ?

-9x+y=9 (*2)

-18x+2y+18 (1)

-18x-3y=18 (2)

subtract

5y=0

y=0, x=-1

(-1,0) is the solution :)

Melody Apr 20, 2015

1⁺⁰ Answers

+118723

+8

Best Answer

Are these simultaneous equations ?

-9x+y=9 (*2)

-18x+2y+18 (1)

-18x-3y=18 (2)

subtract

5y=0

y=0, x=-1

(-1,0) is the solution :)

Melody Apr 20, 2015

2 Online Users