Respuesta :
Answer:
7
Step-by-step explanation:
let the number be n, then increased by 4 is n + 4
Doubling the result is 2(n + 4) , then
2(n + 4) = 22 ( divide both sides by 2 )
n + 4 = 11 ( subtract 4 from both sides )
n = 7
That is the number is 7