Carlos y Sofia le escriben una carta a su familia.
That is the answer if the verb is "escribir."
Hope I helped!
:)
1) you have a brother
2) how many brothers do you have
3) you have a sister
14.
6x + 6 - 2x - 1 = x + 15 +x +16
4x + 5 = 2x + 31
-5 -5
4x = 2x + 26
-2x -2x
2x = 26
— —
2 2
x = 13