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Yesterday, 19:52

8.5x + 12y=1656 where x+y=152

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Answers (2)
  1. Yesterday, 21:21
    0
    You can also elimination by multiplying the second equation by 12 in order to subtract the y's and get 3.5x=168, so x=48. Then you plug into the original to get y=152-48 or 104
  2. Yesterday, 22:50
    0
    Rearrange x+y=152 for either x or y and then substitute that new equation into 8.5x + 12y = 1656 and solve.
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