Kane329 Kane329
  • 26-01-2018
  • Mathematics
contestada

I don't know how to solve for X..

I dont know how to solve for X class=

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choixongdong
choixongdong choixongdong
  • 26-01-2018
x + 120 + 156 + 145 + x + 9 + 90 = 720
2x + 520 = 720
2x = 200
 x = 100

answer
x = 100
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