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9 October, 00:30

Which of the following equation has 3 as a solution

-2b=6

4a-5=12

5y=y+8

Z-15=-12

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Answers (1)
  1. 9 October, 00:46
    0
    Z - 15 = - 12

    Step-by-step explanation:

    -2b=6 is incorrect becuase b = - 3

    4a-5=12 is incorrect because 4a=17 ... 17/4=4.25 ... A=4.25

    5y=y+8 is incorrect because 4y=8 ... y=2

    Z - 15 = - 12 is correct because - 12 + 15=3 ... Z=3
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