How do you solve the system of equations #-8x - 8y = 8# and #- 7x - 8y = 16# using elimination?
2 Answers
Mar 29, 2018
Explanation:
Both have -8y so we can eliminate it by adding equation:
Solving for x would get you
Now plug this value into first equation:
So we have
Mar 29, 2018
Explanation:
multiply first row by
Now add the rows:
Now, we can use any row to obtain
Using