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1 April, 15:52

An unknown number y is 12 more than an unknown number x. The number y is also x less than 17. The equations to find x and y are shown below.

y = x + 12

y = - x + 17

Which of the following statements is a correct step to find x and y?

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Answers (1)
  1. 1 April, 16:25
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    Add the equations to eliminate x.
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