helpmeplease1944
helpmeplease1944 helpmeplease1944
  • 12-10-2017
  • Mathematics
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Help me please WITH NUMBER 7

Help me please WITH NUMBER 7 class=

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choixongdong
choixongdong choixongdong
  • 12-10-2017
7a)
x - 10 + x - 11 + 3x + 6 = 180
5x -15 = 180
5x = 195
  x = 39

7b)
y = 3x + 6
y = 3(39) +6
y = 117 + 6
y = 123
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