Question

sendo n (2x6-5) x10+10, o dobro do n . Qual a resposta ?

Answer 1

n = (2 x 6 -5) x 10 + 10
n = (12 - 5) x 10 + 10
n = 7 x 10 + 10
n = 70 + 10
n = 80

o dobro de nr = 2n

2n =
2.80 = 160