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17 July, 22:05

If 10a=6b+7 and a-6b=34, then what is the value of - 1/3a?

A) - 1

B) 1

C) 41/27

D) 41/9

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Answers (1)
  1. 17 July, 22:29
    0
    The answer would be B) 1

    you would add 6b on each side of the second equation and then substitute that equation in for a in the first equation and solve.
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