Identify Terms and Constants: Identify like terms and constants in the expression 4z−1+2. Like terms are terms that contain the same variable raised to the same power. In this case, 4z is the only like term, and −1 and +2 are constants that can be combined.
Combine Constants: Combine the constants −1 and +2.−1+2 equals 1. So the expression becomes 4z+1.
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