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

Haley buys 8 apples for $3 and 3 bananas for $1. What is the ratio of the number of pieces of fruit she buys to the total dollars she spends? Write the answer i
I’m confused on what this is trying to say. I need help plz
Un círculo tiene un radio de 5 cm. ¿Cuántos centímetros mide su circunferencia?
Help!!!! Please!!!! I will mark brainiest!
how would american culture have been different in the automobille had not been affordable in the 1950's?
why did the author write when things fall apart in english
The son was buried in the magazine he was reading what does it mean in figures of speech
10 POINTS need help asap. Last option is D
a 150 pound woman would receive 24grams of a certain medicine. How many grams should 120 pound woman receive?​
How are land plants adapted to survive on land? What are the benefits of living on land rather than in water?