Respuesta :
Answer:
a = 5
Explanation:
-4 (7a + 5) = -160
{Distribute}
-28a - 20 = -160
+28a = +28a
-20 = -160 + 28a
+160 = +160
140 = 28a
28 28
5 = a
Answer:
a = 5
Explanation:
-4 (7a + 5) = -160
{Distribute}
-28a - 20 = -160
+28a = +28a
-20 = -160 + 28a
+160 = +160
140 = 28a
28 28
5 = a