what is the solution (x,y) to the system of equations?(*Use elimination) 7x+2y=24 , 8x+2y=30

Question

(*Use elimination)

Answer 1

8x+2y=30

7x +2y=24

subtract 2nd equation from the 1st equation to eliminate the y variable

8x-7x = 30-24

x = 6

7(6)+2y = 24

2y =24-42

y = -18/2= -9

y = -9

8x+2y =30

8(6)+2(-9)

= 48-18 = 30

7x +2y = 24

7(6)+2(-9)

42-18 = 24