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15 Jun 2021
Twice a number (z)added to 21 is equal to 9 times the number added to 7. What is the number?
A. z = -4
B. z = -2
C. z = 2
D. z = 4
Twice a number (z)added to 21 is equal to 9 times the number added to 7. What is the number?
A. z = -4
B. z = -2
C. z = 2
D. z = 4
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