The best way to do this equation would be subtraction -11x-10y=17 5x-7y=50 multiply the top equation by -7 and the bottom equation by 10 77x+70y=-119 50x-70y=500 The y cancels out 127x=381 x=3 plug y back into the original equation -11(3)-10y=17 -33-10y=17 -10y=50 y=-5 (3,-5)