Respuesta :
Answer:
a=1
Step-by-step explanation:
- 7 (3a - 4) + 7a = 14
use distribute property
-21a+28+7a=14
simplify
-14a=14-28
-14a=-14
a=1
Answer:
a=1
Step-by-step explanation:
- 7 (3a - 4) + 7a = 14
use distribute property
-21a+28+7a=14
simplify
-14a=14-28
-14a=-14
a=1