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-½x+1+3x/2=3
x=3-1
x=2
b) 3(1-x)-(1-2x)=9
3-3x-1+2x=9
-x=9-3+1
-x=7
x= -7
c) 0,5(2-4x)=3-x
1-2x=3-x
-2x+x=3-1
-x=2
x=-2
-x-2+3x=6
2x=4 //2
x=2
b) 3(1-x)-(1-2x)=9
x=7
c) 0,5(2-4x)=3-x
1-2x=3-x
-x=2 //(-1)
x= -2
mam nadzieje że dobrze ;)