4
Question:
Let $a,$ $b,$ $c,$ $d$ be the roots of
\[2x^4 - 8x^3 + 7 = 0.\]Find $a + b + c + d.$
Answer:
Let's think step by step.

user
4
Let $a,$ $b,$ $c,$ $d$ be the roots of
\[2x^4 - 8x^3 + 7 = 0.\]Find $a + b + c + d.$
train