BarDZO Prosze o Pomoc
a)2x-7-[3-2x-2(1-2x]=x-11
b)10-[2(1-x)-3(2x+5)]=2(x+5)+1
c)8-3x-2[4-(x+5)]=3(x+1)-1
d)1-2x-3[2x-(-5+x)]=x+4
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2x-7-[3-2x-2(1-2x]=x-11
2x-7-3+2x+2+4x=x-11
2x+2x+4x-x=-11+10-2
8x-x=-11+8
7x=3 //7
x=3/7
10-[2(1-x)-3(2x+5)]=2(x+5)+1
10-2+2x+6x+15=2x+10+1
8x-2x=11-8-15
6x=-12 //6
x=-2
8-3x-2[4-(x+5)]=3(x+1)-1
8-3x-8+2x+10=3x+3-1
-x-3x=2-10
-4x=8 //(-4)
x=-2
1-2x-3[2x-(-5+x)]=x+4
1-2x-6x-15+3x=x+4
-5x-x=4+14
-6x=18 //(-6)
x=-3
Prosze :)