Układ równań, prosze z obliczeniami! 3x-2y 5x-3y ₋₋₋₋₋₋₋₋ + ₋₋₋₋₋₋₋₋ = x+1 5 3 2x - 3y 5x - 3y ₋₋₋₋₋₋₋₋ + ₋₋₋₋₋₋₋₋₋₋ = y+1 3 2

3x-2y 5x-3y ₋₋₋₋₋₋₋₋ + ₋₋₋₋₋₋₋₋ = x+1 /*15 5 3 2x - 3y 4x - 3y ₋₋₋₋₋₋₋₋ + ₋₋₋₋₋₋₋₋₋₋ = y+1 /*6 3 2 3(3x-2y)+5(5x-3y)=15x+15 2(2x-3y)+3(4x - 3y)=6y+6 9x-6y+25x-15y=15x+15 4x-6y+12x-9y=6y+6 19x-21y=15 16x-21y=6 /*(-1) 19x-21y=15 -16x+21y=-6 ------------- dodajemy 3x=9 x=3 16x-21y=6 -21y=-16x+6 /*(-1) 21y=16x-6 y=16/21x-6/21 y=16/21*3-6/21 y=16/7-6/21 y=2