Question

Which equation results from adding the equations in this system? 11 x minus 3 y = negative 17. Negative 4 x + 3 y = negative 18.

Answer 1

7x = - 35

Explanation:

Equation 1 :

11x - 3y = - 17

Equation 2 :

-4x + 3y = - 18

Equation 1 + 2

11x - 3y = - 17

-4x + 3y = - 18

_____________

11x - 4x - 3y + 3y = - 17 + (-18)

7x = - 35