Examples:
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Simplify each expression 1. 12x + 3x 2. 4a - a 3. 3b + b 4. 4x - 2x + 5y - y
Simplify each expression
1. 12x + 3x
2. 4a - a
3. 3b + b
4. 4x - 2x + 5y - y
Answers to Problems
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