Answer:
b = −2
Step-by-step explanation:
1. Simplify −4 − b + 6 to 2 − b.
− b = 4
2. Subtract 2 from both sides.
−b = 4 − 2
3. Simplify 4 − 2 to 2.
−b = 2
4. Multiply both sides by −1.
