linear equations
posted by alli .
What is the solution to the linear system –4x + 2y = –56 and –3x – 6y = 33?Question 3 options:
(–9, 10)
(–9, –10)
(9, 10)
(9, –10)

Some of the following tutorials may help you:
http://search.yahoo.com/search?fr=mcafee&p=linear+system+tutorials
Sra 
If you do not wish to solve the problem, test the various combinations of x and y and find which one works. That might be quicker.
for example:
try (9,10)
4(9) + 2(10) = 56????
36 + 20 = 56 No way