Question

a number is increased by 5 and the resulting number is 15 . find the number . full solution​

Answer 1

Let the number be

x

According to the question

x + 5 = 15

==> x = 15 - 5 = 10

==> x = 10

not sure

Answer 2

lets the NO =x

x=3x

3x+5=50

3x=50-5

3x=45

$x = \frac{45}{3} = 15 \\ \\ x = 15$