Below is an instruction that describes a task. Write a response that appropriately completes the request in Spanish. Please answer in Spanish.

### Instruction:
 Ryanne is 7 years older than Hezekiah. Together Ryanne's and Hezekiah's ages equal 15 years. How many years old is Hezekiah?


### Response:
 Sea H = la edad de Hezekiah
Ryanne = H + <<+7=7>>7 años
2H + 7 = 15 años
2H = 8
H = <<4=4>>4 años
Hezekiah tiene 4 años.