melissa1210 melissa1210
  • 30-11-2017
  • Mathematics
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How to find the value of y

How to find the value of y class=

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choixongdong
choixongdong choixongdong
  • 30-11-2017
7x - 28 = 5x + 12
2x = 40
  x = 20

5x + 12 = 5(20) + 12 = 112

y = 180 - 112
y = 68

answer
y = 68
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