Question

Ashur solves the following system of linear equations.

-3a+7b=-16
-9a+5b=16

Which statement about the solution to this system can he say is true?
The values of a and b are both equal to –4.
The values of a and b are both equal to 4.
The value of a is equal to 4, and b is equal to –4.
The value of a is equal to –4, and b is equal to 4.

Answer 1

The values of a and b are both equal to –4.