Question

quando ta m= 2p - 3
q=p + 3
e
2m + q = 12
qual os valores de m,p e q

Answer 1

m = 2p - 3
q = p + 3
2m + q = 12

2.(2p-3) +q = 12
4p - 6 + q = 12

4p - 6 + p + 3 = 12
4p + p = 12 + 6 - 3
5p = 18 - 3
5p = 15
p = 15/5
p = 3

m = 2 . 3 - 3 --> m = 6 - 3 --> m = 3
q = 3 + 3 --> q = 6