Rozwiąż układ równań 4(2x+3)-2(4y-1)=30 (5x+1):3 -(y-3):4=3

4(2x + 3)-2(4y -1) = 30 5x + 1/3 - y-3/4 =3 /*3 8x+12-8y+2=30 15x+1-3y-9/4=9/*4 8x=16+8y 60x+4-12y-9=36 8x=16+8y/:8 60x+4-36-9=12y x=2+y 12y=60(2+y)-41 x=2+y 12y=120+60y-41 x=2+y -48y=79 /:(-48) x=2+(-79/48) y=-79/48 x=17/48 y=-79/48