charlie755
charlie755 charlie755
  • 13-02-2022
  • Mathematics
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look at the simultaneous equations: x+y=a and 2x+y=b. write an expression for x in terms of a and b. write and expression for y in terms of a and b, giving your answer as simply as possible​

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palazzolorachel palazzolorachel
  • 13-02-2022
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