Question

3) -18x + 14y = 27 9x - 7y = -11
solve by using the system of elimination

Answer 1

The answer is -11 the person is right

Answer 2

-11

- 18x + 14y = - 11

558x = - 33

-18 x ( - 11 ) + 14y = - 11

180

y = _ 121

140

-18 x ( - 11 ) + 14 x ( - 121 ) =

( 180 ) ( 140 )

-11