kaylatawadrous kaylatawadrous
  • 03-02-2017
  • Mathematics
contestada

Twice the difference of a number and five is equal to three times the sum of the number and seven

Respuesta :

sawahli
sawahli sawahli
  • 07-02-2017
2(n-5)=3(n+7)
2n - 10= 3n +21
-10 - 21 = 3n- 2n
n=-31
Answer Link

Otras preguntas

convert 7.9×10^7 cm into miles
How do I simplify: x+2/x^2-6x-16 + 1/9x.
at the end of the day vegetables at the farm market sell for $2 a pound and a basket cost $3.50 if Charlie wants to buy a basket and spend no more than $10 tota
Where is the majority of Earth’s freshwater found? A)Oceans? B)Ice caps? C)rivers? D)lakes? E)Aquifers?
What is 3.6 in simplest form
Write 261 as a decimal
I don't understand it
Help with this please!!
What scientists would most likely engage in fieldwork to observe organisms?
In which colonial region were the cash crops tobacco, rice, and indigo important?