joli2020
joli2020 joli2020
  • 03-10-2017
  • Mathematics
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Please help me on this question

Please help me on this question class=

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jbnaj
jbnaj jbnaj
  • 03-10-2017
Multiply both side by 9

x-y=9M

add x to both sides

-y = 9M+x

divide by negative one to change the -y to y

y = -9M-x

Answer is y = -9M-x
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