How do you solve x-3y=-2, -2x+5y=-7x3y=2,2x+5y=7?

1 Answer
Jan 2, 2017

y=11,x=31y=11,x=31

Explanation:

x-3y=-2, -2x+5y=-7x3y=2,2x+5y=7

x-3y=-2x3y=2.................1

-2x+5y=-7.............2

2x-6y=-4.....................3=1 xx 2

-y=-11............................=2+3

y=11

5x-15y=-10....................4=1xx5

-6x+15y=-21.............5= 2xx3

-x=-31...............................=4+5

x=31

substitute y=11,x=31 in 1

31-3(11)=-2

31-33=-2

-2=-2