Systems of linear equations is five, -1 a solution to the system of these linear equations x + y = 4 and 2x + 3y = 7 no because the graphs don't intercept at five, minus 1 no because the graphs intersect at five, minus one yes because the grass are sick at five, miles

Answer 1

-1 is not a solution to the system of linear equations x + y = 4 and 2x + 3y = 7.

To check if -1 is a solution to the system, substitute x = -1 and y = -1 into both equations:

First equation:
-1 + (-1) = 4
-2 ≠ 4

Second equation:
2(-1) + 3(-1) = 7
-2 - 3 ≠ 7

Since neither equation holds true when x = -1 and y = -1, -1 is not a solution to the system of linear equations.