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Please help me with this math

Please help me with this math
asked 91.3k views
16 votes
Please help me with this math

Please help me with this math-example-1
asked
User Jay Taylor
by
7.6k points

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.

answered
User Keithjgrant
by
8.6k points
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