UKLADY RÓWNAŃ . ZADANIA UZUPEŁNIAJĄCE . {
{ - dwie klamerki to jedna klamra !!!!!!!!
A){ y + 2 -(3-x) = 0
{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
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a) x=3 y=-2
b) x=1 y= 1/3
c) x=-7 y=15,5
d) x=5/9 y=-2/3
e) x=10 y=11
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