Question

What is the solution of the system?

y = 10x -2
y = -7x + 3

A. (5/17, 16/17)
B. (4/17, 16/19)
C.(-5/17, 16/17
D.(3/17, 5/17)

Answer 1

equation 1 - equation 2: (y-y)=(10x-2)-(-7x+3)
17x-5=0
x=5/17
so answer A is correct.
double check: 10(5/17)-2=50/17-34/17=16/17. Yes.