Question

Ayúdenme porfavor es para hoy​

Answer 1

1.- x = -22/21

x = -22/8x + 9 + 12x = 4x - 13 - 5 ×

20x + 9 = - x - 13

20x + x = - 13 - 9

21x = - 22

x = -22/21

Solución : 

x = -22/21

3.- 3m+101-4m-33=108-16m-100

-m+68=8-16m

16m-m=8-68

15m=-60

m=-60/15

m=-4