Реши уравнения.

1) 3x + 7 = 13 2) 4t - 9 = 11 3) 13 + 5x = 63

32 - t = - 1 2 (x + 5) = 16 4 (t + 7) = 40

x - 27 = - 17 2 (x - 8) = 6 12 - 2x = 6

3 х+7=13

3 х=13-7

3 х=6

х=6/3

x=2

4t - 9 = 11

4t = 11+9

4t=20

t=20/4

t=5

13 + 5x = 63

5x=63-13

5x=50

x=50/5

x=10

32 - t = - 1

t=32+1

t=33

2 (x + 5) = 16

2x+10=16

2x=16-10

2x=6

x=6/2

x=3

4 (t + 7) = 40

4t+28=40

4t=40-28

4t=12

t=12/4

t=3

x - 27 = - 17

x=27-17

x=10

2 (x - 8) = 6

2x-16=6

2x=6+16

2x=22

x=11

12 - 2x = 6

2x=12-6

2x=6

x=6/2

x=3