Question

3y-8x=44 -8x-3y=20 решить систему арвнений методом сложения пж скажите умоляю!!!

Answer 1

$left { {{3y-8x=44} atop {-8x-3y=20}} right. ; to ; left { {{-8x+3y=44} atop {-8x-3y=20}} right. ; oplus left { {{-8x+3y=44} atop {-16x+0=64}} right. ; left { {{32+3y=44} atop {x=-4}} right. \\ left { {{3y=12} atop {x=-4}} right. ; left { {{y=4} atop {x=-4}} right.$