Question

How do you solve this 8x+y=-16 , -3x+y=-5 using elimination

Answer 1

`\left \{ {{8x+y=-16} \atop -3x+y=-5\ } \right. \\\\ \left \{ {{8x+y=-16} \atop {3x-y=5}} \right. \\+-----\\\\11x=-11\ \ \ \ |:11\\x=-1\\\\8\cdot(-1)+y=-16\\-8+y=-16\\y=-16+8\\y=-8\\\\ \left \{ {{y=-8} \atop {x=-1}} \right.`