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2x-6=3x+3
2x-3x=3+6
-x=9:/(-1:)
-x=-9
b.) 3 (y - 1)=5y
3y-3=5y
3y-5y=3
-2y=3:(-2)
y=-1½
2x = 3x + 9 / -3x
-x = 9 / * ( -1 )
x = -9
3y - 3 = 5y / +3
3y = 5y + 3 / -5y
-2y = 3 / : ( -2 )
y = -1,5
2x-6=3x+3
2x-3x=3+6
-x=9/razy (-1)
x=-9
3(y-1)=5y
3y-3=5y
3y-5y=3
-2y=3/ podzielić przez (-2)
y=-3/2= -1,5