5)20-3 8/15+10 4/15= 6)30-15 9/10-12 3/10=
7)15 7/11-4 9/16+3 4/11=
8)49-19 3/5-2 2/5=
9)12 4/13-2 13/20+3 9/13=
10)29 11/17-4 6/24+10 6/17=​

5)20-3 8/15+10 4/15=16 7/15+10 4/15=26 11/15

6)30-15 9/10-12 3/10=14 1/10-12 3/10=1 8/10

7)15 7/11-4 9/16+3 4/11=15 7/11+3 4/11=18 11/11=19-4 9/16=14 7/16

8)49-19 3/5-2 2/5=29 2/5-2 2/5=27

9)12 4/13-2 13/20+3 9/13=12 4/13+3 9/13=16-2 13/20=13 7/20

10)29 11/17-4 6/24+10 6/17=29 11/17+10 6/17=40-4 6/24=35 18/24=35 3/4

5)27 12/15=27 3/5

6)3 3/10

7)14 77/176

8)28 1/5

9)13 7/2

10)34 18/24

1. 11x = 36-x

11x + x = 36

12x = 36

x = 3

2. 9x + 4 = 48 - 2x

9x + 2x = 48 - 4

11x = 44

x = 4

3. 4 - 6(x + 2) = 3 - 5x

4 - 6x - 12 = 3 - 5x

-6x + 5x = 3 - 4 + 12

-x = 11

x = -11

4. 2(5x + 8) - (8x + 14 ) = 9

10x + 16 - 8x - 14 = 9

2x = 9 - 16 + 14

2x = 7

x = 3,5

5. 4(x - 1) = 2(2x - 8) + 12

4x - 4 = 4x - 16 + 12

4x - 4x = -16 + 12 + 4

0x = 0

x - любое число

6. 7(4x - 1) = 6 - 2(3 - 14x)

28x - 7 = 6 - 6 + 28x

28x - 28x = 7

0x = 7

x - нет решений