Odpowiedź :
2x+3y=4
-3y+x=6 /*(-2)
-2x+6y=-12
2/7x+5y=0 /*7/2
x+35/2y=0
-4/7-x=1
-3y+x=6 /*(-2)
-2x+6y=-12
2/7x+5y=0 /*7/2
x+35/2y=0
-4/7-x=1
a)
2x - (-3)y = 4
-3y +x= 6
2x+3y=4
x-3y=6
b)
2/7x + 5y = 0
-4/7 - x = 1 / *5
2/7x+5y=0
-20/7-5y=5.
:)
2x - (-3)y = 4
-3y +x= 6
2x+3y=4
x-3y=6
b)
2/7x + 5y = 0
-4/7 - x = 1 / *5
2/7x+5y=0
-20/7-5y=5.
:)
a) niewiadomej x
2x - (-3)y = 4
-3y +x= 6
2x+y=4
x-3y=4 /*(-2)
2x+y=4
-2x+6y=-8
2x - (-3)y = 4
-3y +x= 6
2x+y=4
x-3y=4 /*(-2)
2x+y=4
-2x+6y=-8