1.rozwiaz rownannia 2(x+1)=4 (x+2)razy6=0,5x 0,5x-6+1/4 (x+6)=5 2(x+1)-4=10 1/2x=1/3x-1 2x-3+4+6x 2 . a 5(x-1)+2x=2(x+2)+6 b x+4-5(x-8)=x-6 c 6x-(x-1)=6
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2(x+1)=4
2x+2=4
2x=4-2
2x=2 /:2
x=1
(x+2)*6=0,5x
6x+12=0,5x
5,5x = -12 /:5,5
x = 2 10/55
0,5x-6+1/4 (x+6)=5
0,5x-6+0,25x+1,5=5
0,75x = 9,5 /:0,75
x = 190/15 = 12 10/15 = 12 2/3
2(x+1)-4=10
2x+2-4=10
2x=12 /:2
x=6
1/2x=1/3x-1
3/6x-2/6x=-1
1/6x=-1 /*6
x=-6
2x-3+4+6x = 2
8x= 1 /:8
x=1/8
5(x-1)+2x=2(x+2)+6
5x-5+2x=2x+4+6
7x-5=2x+10
7x-2x=10+5
5x=15 /:5
x=3
x+4-5(x-8)=x-6
x+4-5x+40=x-6
-4x+44=x-6
-5x=-50 /:(-5
x=10
6x-(x-1)=6
6x-x+1=6
5x=5 /:5
x=1