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7x - 6x = -5 - 8
x = - 13
3(x-2 ) =7(x+3)
3x - 6 = 7x + 21
3x - 7x = 21 + 6
- 4 x = 27 | : (-4)
x = - 6¾
0,5(x+3)=0,1(x+4)
0,5 x + 1,5 = 0,1x + 0,4
0,5x - 0,1x = 0,4 - 1,5
0,4x = 2,5 |:0,4
x = 6 ¼
⅔ (x-6)= ⅙ (X+12 )
⅔x - 4 = ⅙x + 2
⅔x - ⅙x = 2 +4
½ x = 6 | * 2
x = 12
½ x - 3 +2 (-x-4)
0,5 x - 3 - 2x - 8
-1,5x - 11
7x+5+-8(x-2)
7x+5-8x-16
-x - 11
7x-6x=-8-5
x=-13
b)3(x-2 ) =7(x+3)
3x-6=7x+21
3x-7x=6+21
-4x=27/:(-4)
x=6,75
c)0,5(x+3)=0,1(x+4)
0,5x+1,5=0,1x+0,4
0,5x-0,1x=-1,5+0,4
0,4x=-1,1/:0,4
x=-2,75
d)⅔(x-6)=⅙(x+12)
⅔x-4=⅙x+2
⅔x-⅙x=4+2
⁴/₆x - ⅙x=6
³/₆x=6
½x=6/:½
x=3
e)