Question

Qual o valor de n na equação n/2 - 7 = n/4 + 5 ? *​

Answer 1

$\frac{n}{2} - 7 = \frac{n}{4} + 5\\4.(\frac{n}{2} - 7) = 4.(\frac{n}{4} + 5)\\2n - 28 = n + 20\\2n - n = 20 + 28\\n = 48$