Respuesta :

The value of a is equal to 34/12 or 17/6

10 + 3(4 - 6a) = -(6a + 12)

Distributive property.

10 + 12 - 18a = -6a - 12

Combine like terms.

22 - 18a = -6a - 12

Add 18a to both sides.

22 = 12a - 12

Add 12 to both sides.

34 = 12a

Divide both sides by 12.

a = 34/12 = 2.8