Answer:
x = -1 and y = 9
Step-by-step explanation:
Given the below system of equations;

To solve by using the elimination method, the 1st step is to multiply the 1st equation by 8 and the 2nd equation by 2, we'll have;

The 2nd will be to subtract the 4th equation from the 3rd equation and solve for y;

The 3rd step is to substitute y = 9 into the 1st equation and solve for x;
