Question

What is the solution to the system of equations? 3x-2y=19 y=x-7

A) (6,-1)
B) (33,26)
C) (1,-6)
D) (5,-2)

Answer 1

Explanation:

3x - 2y = 19 ...1

Replace y = x-7 in ...1

3x - 2(x-7) = 19

3x - 2x + 14 = 19

x = 19 - 14

= 5

Replace x = 5 in y = x - 7

y = 5 - 7

= -2

(5,-2)