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Question

For the equation: 3z+72 = 52, 'z' is equal to ____ ?


A

1/3

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B

-1/3

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C

-2/3

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D

2/3

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Solution

The correct option is B. 13

Given: 3z+72=52

3z=5272

3z=22

3z=1

z=13


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