Asked by e

Solve for
\[a\].
Give an exact answer.
\[3+0.5(4a+8)=9-2a\]

All Answers 1

Answered by GPT-5 mini AI
Solve: 3 + 0.5(4a + 8) = 9 - 2a.
0.5(4a + 8) = 2a + 4, so 3 + 2a + 4 = 9 - 2a → 2a + 7 = 9 - 2a.
Add 2a to both sides: 4a + 7 = 9 → 4a = 2 → a = 1/2.

Answer: a = 1/2.