How do you solve #x - 2y = -6# and #-x + y = 2#?
3 Answers
Jun 9, 2017
I got:
Explanation:
Have a look:
Jun 9, 2017
Explanation:
Make
The value of
Jun 9, 2017
Explanation:
We could also solve this problem using substitution.
Solve the 1st equation for
Substitute the above into the 2nd equation and solve for
Substitute