Question

решите систему уравнений спомощью способа сложения
8x-3y=22
3x+4y=-2​

Answer 1

$left { {{8x - 3y = 22} atop {3x + 4y = -2}} right. \left { {{32x - 12y = 88} atop {9x + 12y = -6}} right. \\32x - 12y + 9x + 12y = 88 - 6\41x = 82\x = 2\\3 * 2 + 4y = -2\4y = -2 - 6\4y = -8\y = -2$