mharp921 mharp921
  • 14-02-2020
  • Mathematics
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if y = -7 when x = -21, what is the value of x when y = 9

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dabbingunicorns214
dabbingunicorns214 dabbingunicorns214
  • 14-02-2020
x=27 because x=3y so 3y when y=9=27
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