1){ 4x+9y-9=0 2) { 1,5x-1,2y+18=0 { 5x-6y-17=0 {0,7x-1,8y+14,6=0 - вопрос №149902151218056170071814609028583 от Svet97 05.04.2022 18:36

Question

Математика: 1){ 4x+9y-9=0 2) { 1,5x-1,2y+18=0 { 5x-6y-17=0 {0,7x-1,8y+14,6=0 !

Svet97 · Answer

4x+9y-9=0 5x-6y-17=0x=-9/4y+9/45x-6y-17=05(-9/4y+9/4)-6y-17=0y=-1/3x=-/4*(-1/3)+9/4x=3y=-1/31,5x-1,2y+18=00,7x-1,8y+14,6=0x=2y/25-6/50.7x-1.8y+14.6=00.7(2y/25-6/5)-1.8y+14.6=0y=860/109x=2*860/109 /25-6/5x=-62/109x=-62/100y=860/109...