Simplify z + 2z – 8 + 3z + 1 – 2z.
4x – 9
4x – 7
7z – 10
kz – 9
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Let’s simplify the expression step by step:
1. Start with the original expression: ( z + 2z – 8 + 3z + 1 – 2z ).
2. Combine like terms (the terms with ( z )):
[
z + 2z + 3z – 2z = (1 + 2 + 3 – 2)z = 4z.
]
3. Now, we combine the constant terms:
[
-8 + 1 = -7.
]
4. Putting it all together, we get:
[
4z – 7.
]
The correct answer is 4z – 7.
This matches with ( 4x – 7 ) in your options if ( x = z ). If you have any more questions or need further clarification, feel free to ask! For more in-depth help, consider checking the extended services page.