Question

Using linear combination method what is the solution to the system of linear equations 7X -2Y = -20 and 9X + 4Y = -6

Answer 1

B

Explanation:

B

Answer 2

(x,y ) = ( - 2,3)

Explanation:

given the 2 equations

7x - 2y = - 20 (1)

9x + 4y = -6 (2)