down 1. 15x – 11y = 278 7x – 8y = 81 Answer: ( ____ , ? ) down 2. 3x – 10y = 347 3x + y = -38 Answer: ( ?

down 1.15x – 11y = 2787x – 8y = 81Answer:( ____ , ? ) down 2.3x – 10y = 3473x + y = -38Answer:( ? , ____ ) down 3.10x – y = 7810x + 3y = 166Answer:( ____ , ? ) down 4.3x + y = -10417x – 3y = -728Answer:( ____ , ? ) down 5.17x + 3y = -16015x + 19y = 284Answer:( ? , ____ ) down 6.5x + 8y = 3049x + 16y = 568Answer:( ? , ____ ) down 7.6x + 11y = -1292x + 7y = -73Answer:( ____ , ? ) down 8.18x + 13y = -211x + y = -7Answer:( ? , ____ ) across 1.3x + 4y = 191x + 2y = 89Answer:( ? , ____ ) across 2.6x + y = -1517x + 7y = -155Answer:( ____ , ? ) across 7.13x – 16y = -904x – y = -64Answer:( ? , ____ ) across 9.19x + 2y = 1728x + y = 77Answer:( ? , ____ ) across 10.14x + 19y = 65510x + 13y = 457Answer:( ? , ____ )