Question

the sum of twice a numbers and 5 is 15 find the number

Answer 1

the number is 5
because 15 -5 =10
10 is twice the number so we will divide it by 2
10÷2=. 5

Answer 2

A/Q
2x+5=15
2x=15-5
2x=10
x=10/2=5

the number is 2x=5*2=10,x=5 whose sum gives you 15


hope it's helpful