wowwdanny
wowwdanny wowwdanny
  • 21-01-2021
  • Mathematics
contestada

Seven times the sum of a number and 3 is 9.​

Respuesta :

katieshelton34 katieshelton34
  • 21-01-2021
7(x+3)=9 is the formula
Distribute the 7
7x+21=9
Subtract 21 from both sides
7x=-12
Divide 7 on both sides
X=-12/7
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