Odpowiedź:
a)
2x+12=5x
2x-5x=12
-3x=12
x=-4
b) 6y=2y+8
6y-2y=8
4y=8
y=2
c)
4+4y=3y+7
4y-3y=7-4
y=3
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Odpowiedź:
a)
2x+12=5x
2x-5x=12
-3x=12
x=-4
b) 6y=2y+8
6y-2y=8
4y=8
y=2
c)
4+4y=3y+7
4y-3y=7-4
y=3