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4x=32
x=8
b. 12x+6=9x-24
3x=-30
x=-10
c. 5-2y-6=8
-2y=9
y=-4.5
d. 16x-8+12-15x=0
x=-4
e. x-4+9-6x=6x-6
-5x+5=6x-6
-11x=-11
x=1
f. -1,2+0,24=3+1,8x
-0,96=3+1,8x
-1,8x=3,96
x=-2,2
g. 0,36x-2,3=0,08x-0,24
0,28x=2,06
x=7,3(571428)
h. -4x+8=8-4x+10
8=18
0=10 rownanie sprzeczne