Zadanie
dodane przez
buzi
,
04.12.2011 17:35
{x– 2= 5– (2– y)
b{3(x– y)+4x= 8
{3(x– 5y)= 5– 9y
c{3(2x– 1)+4(y– 2)= 9
{2(5x– 1)+3y= 5(3x+y)+2
d {2(x+y)– 3(x– 2y)= – 7x– 2
{5(x+1)–2(3–y)= – 4(x+y)
e{4(x+2)– 3(y– 1)= x+y– 3
{3(x– 4)– 2(y– 2)= 4(x– y)+4
wiesz jak