susanaaa1 susanaaa1
  • 19-08-2016
  • Mathematics
contestada

The sum of -7 times a number and 8 times the sum of the number and 1 is the number minus 7

Respuesta :

dalendrk
dalendrk dalendrk
  • 19-08-2016
n-the number

-7 · n + 8 · (n + 1) = n - 7

-7n + 8(n + 1) = n - 7

solution:

-7n + 8n + 8 = n - 7

n + 8 = n - 7    |subtract n from both sides

8 = -7  FALSE

Answer: no solution ( n∈∅)
Answer Link

Otras preguntas

how can a levee help prevent flooding
Which type of resource are newspaper accounts written at the time an event occurred? primary source documents top-down source documents secondary source documen
what subjects other than math that use ratios
the perimeter of the top of a desk is 54 inches . if the length of the desk is 15 . what is the is the width of the desk
Which is greater 6.76 or 6.759
At school of the girls who tried out for the basketball team 12 were selected . Of the 40 boys who tried out 16 were selected are the ratios of student the equi
what is 28/50 as a decimal
What percent of 300 is 36?
Which of the following statements is true? Select one: a. House slaves lived in greater luxury than field slaves because they were more respected. b. Field slav
The Liberator was to William Lloyd Garrison as the North Star was to A. Theodore Dwight Weld. B. the Grimke sisters. C. Harriet Tubman. D. Frederick Douglass.