Identify Like Terms: Identify like terms in the expression 7z+−2+−4+−3z. Like terms are terms that contain the same variable raised to the same power. Here, 7z and −3z are like terms, while −2 and −4 are like terms.
Combine Like Terms 7z and −3z: Combine the like terms 7z and −3z.7z+(−3z)=4z This simplifies the variable part of the expression.
Combine Like Terms −2 and −4: Combine the like terms −2 and −4.−2+−4=−6 This simplifies the constant part of the expression.
Write Simplified Expression: Write the simplified expression by combining the results from Step 2 and Step 3.The simplified expression is 4z+(−6), which can be written as 4z−6.
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