Răspuns :
Salut! :)
g + p + m = 30
p = 2g
m = p - 5 = 2g - 5
_______________
g + 2g + 2g - 5 = 30
5g - 5 = 30
5g = 30 + 5
5g = 35
g = 35 : 5
g = 7
p = 2 × 7
p = 14
m = 14 - 5
m = 9
Salut! :)
g + p + m = 30
p = 2g
m = p - 5 = 2g - 5
_______________
g + 2g + 2g - 5 = 30
5g - 5 = 30
5g = 30 + 5
5g = 35
g = 35 : 5
g = 7
p = 2 × 7
p = 14
m = 14 - 5
m = 9