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  • 22-05-2017
  • Mathematics
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  • 22-05-2017
12)
x = 180 - 117
x = 63

y = 180 - 70
y = 110

13)
4x + 3 = 1/2 (180+x+8)
8x + 6 = x + 188
7x =  182
  x = 26
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