Respuesta :

-50 = 6a + 28

Subtract 28 from both sides.
-50 -28 = 6a + 28 - 28
-78 = 6a

Divide both sides by 6.
-78/6 = 6*a/6
-78/6 = a

-13 = a

Answer:

a=-13

Step-by-step explanation:

-50=6a+28

isolate the a

-50-6a=28

-6a=28+50

-6a=78

divide both sides by -6

a=-13