Answer:
x = 4
Explanation:
Original Problem: 2x + 1 = -4x +9
1. Subtract 1 from both sides
-2x+1-1=-4x+9-1
2. Simplify
-2x=-4x+8
3. Add 4x to both sides
-2x+4x=-4x+8+4x
4. Simplify
2x=8
5. Divide both sides by 2
2x/2 = 8/2
Answer: x = 4
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