6 (5 - 8v) + 12 = -54
6(5 - 8v) + 12 = -54
First: use the distributive property:
30 - 48v + 12 = -54
Now, simplify the left side:
-48v + 42 = -54
Subtract 42 from both sides:
-48v = -96
Divide both sides by -48:
v = 2
