Seudónimo Seudónimo
  • 10-03-2017
  • Mathematics
contestada

four times a number plus three times the sum of a number and four is equal to negative nine. Write the equation

Respuesta :

Аноним Аноним
  • 19-03-2017
4x+3(x+4)=-9
4x+3x+12 = -9

7x = -21
x=-3
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