roziwaz uklad sposobem przeciwnych wspołczynnikow ( 4y=3x-4 ( 2x=-3(y-5)-1

( 4y = 3x - 4 ( 2x = - 3(y-5) - 1 ( - 3x + 4y = - 4 ( 2x = - 3y +15 - 1 ( - 3x + 4y = - 4 /*2 ( 2x + 3y = 14 /*3 ( - 6x + 8y = - 8 ( 6x + 9y = 42 ________________ - 6x + 6x + 8y + 9y = - 8 + 42 17y = 34 /: 17 y = 2 2x + 3y = 14 2x + 3*2 = 14 2x + 6 = 14 2x = 14 - 6 2x = 8 /:2 x = 4 ( x = 4 ( y = 2