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Please help me with this math
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16 votes
Please help me with this math

Please help me with this math-example-1
User Jay Taylor
by
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1 Answer

7 votes

Answer:

C. Aka z = -3.

Explanation:

Subtract 7 from both sides.

We have:

-3z-4z=21

So:

-7z=21

21/-7 = -3

The answer is C.

User Keithjgrant
by
3.7k points
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