Question

Which ordered pair is the solution to the system of linear equations y=-7X+2 and y = 9%-14?

O(-5,1)
O(1.-5)
O(5,-1)
O(-1,5)

Answer 1

y = -7x + 2

y = 9x - 14

-7x + 2 = 9x - 14

14 + 2 = 9x + 7x

16 = 16x

1 = x

y = -7x + 2

y = -7(1) + 2

y = -7 + 2

y = -5

solution is : (1,-5)