Answer: 10z + 6
Step-by-step explanation: So you simplify the expression by adding 3z and 7z to get 10z. Next u add 1 and 5 to get 6. Combine those two to get the final answer of 10z+6.
Answer:
10z + 6
Explanation:
(3z + 1) + (5 + 7z) =
Drop the parentheses since they are unnecessary.
= 3z + 1 + 5 + 7z
Group like terms together.
= 3z + 7z + 1 + 5
Combine like terms.
= 10z + 6
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