iziyahh72 iziyahh72
  • 30-10-2017
  • Mathematics
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How to write twice the sum of a number and 9 equals 7 ?

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dvcao2003
dvcao2003 dvcao2003
  • 02-11-2017
2(x+9)=7
If you wanted to simplify;
2x+18=7 (Distributive Property)
2x=-11 (Subtraction Property of Equality)
x=-11/2 (Division Property of Equality)
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