Question

Me ayudan porfavor :D​

Answer 1

Respuesta:

1.-x+5 = 13

x = 13-5

x = 8

2.-  3x+12 = 15

3x = 15-12

3x = 3

x = 3/3

x = 1

3.- 4x-9 = 11

4x = 11+9

4x = 20

x = 20/4

x = 5

4.- 2x+5 = 15

2x = 15-5

2x = 10

x = 10/2

x = 5

Explicación paso a paso: