Answer:
b=4
Step-by-step explanation:
1. Add 2b to each side: 3=3b-9
2. Add 9 to each side: 12=3b
3. Divide by 3: b=4
-2b + 3 = b - 9
The value of b.
-2b - b = -9 - 3
or, -3b = -12
or, b = -12/-3
or, b = 4
The value of b is 4.
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