a) -3(x+3)+3(3-2x)= -6 b) 4(2x-3)-3(4x+3)+27=0 ;)
ulamki musza wyjsc.
a) -3x-9+9-6x=-6
-3x-6x=-6
-9x=-6 /:(-9)
x=2/3
b) 8x-12-12x-9+27=0
8x-12x=-27+12+9
-4x=-6 /:(-4)
x=1,5
a) -3(x+3)+3(3-2x)= -6
-3x-9+9-6x = -6 /+9-9
-3x-6x = -6+9-9
-9x = -6 /:(-3)
3x = 2 /:(3)
x = 2/3
b) 4(2x-3)-3(4x+3)+27=0
8x-12-12x-9+27 =0 /+12+9-27
8x-12x =0+12+9-27
-4x =-6 /:(-2)
2x = 3 /:2
x = 3/2
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a) -3x-9+9-6x=-6
-3x-6x=-6
-9x=-6 /:(-9)
x=2/3
b) 8x-12-12x-9+27=0
8x-12x=-27+12+9
-4x=-6 /:(-4)
x=1,5
a) -3(x+3)+3(3-2x)= -6
-3x-9+9-6x = -6 /+9-9
-3x-6x = -6+9-9
-9x = -6 /:(-3)
3x = 2 /:(3)
x = 2/3
b) 4(2x-3)-3(4x+3)+27=0
8x-12-12x-9+27 =0 /+12+9-27
8x-12x =0+12+9-27
-4x =-6 /:(-2)
2x = 3 /:2
x = 3/2