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
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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