А) 1/8u-2=5/8+11/8u-2=5/8+11/8u = 5/8 + 1 + 21/8u = 7/8u = 7
Б) x/8-x/4+x/2-x=1x/8 - x/4 + x/2 - x = 1x/8 - 2x/8 + 4x/8 - 8x/8 = 1-3x/8 = 1x = -8/3
В) 5x/9-2x/3-x=45x/9 - 6x/9 - 9x/9 = 4-10x/9 = 4x = -3.6
Г) 3x/4-x=4x/5+x3x/4 - x = 4x/5 + x3x - 4x = 16x/5 + 5x
Д) 6(x-1)+3(5-x)=96x - 6 + 15 - 3x = 93x + 9 = 93x = 0x = 0
Е) 4(3x-2)-4(x-2)=212x - 8 - 4x + 8 = 28x = 2x = 1/4
Ж) 5(6+x)-5(2x+7)=030 + 5x -10x - 35 = 0-5x - 5 = 0-5x = 5x = -1
А) 1/8u-2=5/8+1
1/8u-2=5/8+1
1/8u = 5/8 + 1 + 2
1/8u = 7/8
u = 7
Б) x/8-x/4+x/2-x=1
x/8 - x/4 + x/2 - x = 1
x/8 - 2x/8 + 4x/8 - 8x/8 = 1
-3x/8 = 1
x = -8/3
В) 5x/9-2x/3-x=4
5x/9 - 6x/9 - 9x/9 = 4
-10x/9 = 4
x = -3.6
Г) 3x/4-x=4x/5+x
x = 21x/53x/4 - x = 4x/5 + x
3x - 4x = 16x/5 + 5x
-5x = 21x
-5 = 21
This equation has no solution.
Д) 6(x-1)+3(5-x)=9
6x - 6 + 15 - 3x = 9
3x + 9 = 9
3x = 0
x = 0
Е) 4(3x-2)-4(x-2)=2
12x - 8 - 4x + 8 = 2
8x = 2
x = 1/4
Ж) 5(6+x)-5(2x+7)=0
30 + 5x -10x - 35 = 0
-5x - 5 = 0
-5x = 5
x = -1