Question

11. 8m-5=3m-20

12. 7x-3=21-11

13. 3x-5=6x-14

14. 15-14=31-8a

Answer 1

8m-5=3m-20

5m=-15

m=-3

7x-3=21-11

7x=14

x=2

3x-5=6x-14

-3x=-9

x=3

15-14=31-8a

-30=-8a

a=30/8

Answer 2

⭐¡Hola¡⭐

Solucion:

8m - 5 = 3m -20

5m = -15

m = - 3

7x - 3 = 21 - 11

7x = 14

x = 2

3x - 5 = 6x - 14

-3x = - 9

x = 3

15 - 14 = 31 - 8a

-30 = -8a

a = 30/8

Saludos