to co teraz podam ma być układem równań:
x-2y=2
2x-2y=6
Pomóżcie.
-x = -4
x= 4
4 -2y = 2
-2y = -2
y =1
x-2y=2 |*-1
-x+2y=-2
x=4
2*4-2y=6
-2y=-8
y=4
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-x = -4
x= 4
4 -2y = 2
-2y = -2
y =1
x-2y=2 |*-1
2x-2y=6
-x+2y=-2
2x-2y=6
x=4
2*4-2y=6
-2y=-8
y=4