Question

What is the solution of the system of equations? y = –5x + 6 y = –3x – 4

A. (5, –19)

B. (–1.25, 12.25)

C. (–19, 5)

D. (–1, –1)

Answer 1

y = –5x + 6
y = –3x – 4
---------------subtract
0= -2x + 10
2x = 10
x =5

y = –5x + 6
y = -5(5) +6
y = -25 + 6
y = -19

answer is A. (5, –19)