Question

n/2+n/5=7
$x \2 + x \5 = 7$
please answer this question​

Answer 1

Answer:

n=10

Step-by-step explanation:

$\frac{n}{2} + \frac{n}{5} = 7$

$\frac{5n + 2n}{10} = 7$

$\frac{7n}{10} = 7$

$7n = 7 \times 10$

$7n = 70$

$n = \frac{70}{7}$

$n = 10$