Respuesta :
Answer: a= -5
Step by step: 2a - 2 = 6a + 18
-2a -2a
-2 = 4 a + 18
-18 - 18
-20 = 4 a
-5 = a
Step by step: 2a - 2 = 6a + 18
-2a -2a
-2 = 4 a + 18
-18 - 18
-20 = 4 a
-5 = a
a:5
2 times -5 is -10 minus 2 is -12
6 times -5 is -30 and plus 18 is -12
2 times -5 is -10 minus 2 is -12
6 times -5 is -30 and plus 18 is -12