Question 271706
solve by elimination
5x + 5y = -13
7x - 2y = 17
-------------
10x + 10y = -26 1st eqn x 2
35x - 10y = 85 2nd eqn x 5
--------------- Add
45x = 59
x = 59/45
----------
5x + 5y = -13
59/9 + 5y = -13 = -117/9
5y = (-117 - 59)/9 = -176/9
y = -176/45