Question

PORFA AYÚDENME (si no sabes no contestes)

4r-8=7r+5

r=


17s + 1= -21s + 38

s=

8g + 16 = 5g - 1

g=​

Answer 1

Respuesta:

4r - 8 = 7r + 5

4r - 7r = 5 + 8

-3r = 13

r = - 13

3

17s + 1= -21s + 38

17s + 21s = 38 - 1

38s = 37

s = 37

38

8g + 16 = 5g - 1

8g - 5g = -1 - 16

3g = -17

g = - 17

3