paulaaa78 paulaaa78
  • 22-08-2018
  • Mathematics
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devinfraser
devinfraser devinfraser
  • 23-08-2018
2(x + 3) = 20
2x + 6 = 20
2x + 6 - 6 = 20 - 6
2x = 14
x = 7
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