Question

X - 2 + 8 =13. 6 + x - 7 = 18 X - 4 + 9 = 20​

Answer 1

Respuesta:

X - 2 + 8 = 13

x + 6 = 13

x = 13 - 6

x= 7

6 + X - 7= 18

1 + x = 18

x = 18 + 1

x = 19

X - 4 + 9 = 20

x + 5 = 20

x = 20 - 5

x = 15

-Espero haberte ayudado :)-