How do you solve the system of equations #-x - 7y = 11# and #-2x - 7y = 8#?
1 Answer
Jun 29, 2017
The answer is x = 3 and y = -2 .
Explanation:
We have the given equations:
Subtracting equation (ii) from equation (i) i.e.
or
or
Putting x = 3 in equation (i) We get,
or
or
Dividing both sides by
or
or
Therefore