qwerty123
qwerty123 qwerty123
  • 03-03-2015
  • Mathematics
contestada

solve for (n):

10n - 8 + 4n =20?

solve for (x):

2x + 3x = 25?

Respuesta :

konrad509
konrad509 konrad509
  • 03-03-2015
[tex] 10n - 8 + 4n =20\\ 14n=28\\ n=2\\\\ 2x+3x=25\\ 5x=25\\ x=5[/tex]
Answer Link

Otras preguntas

Determine the sum of the first n terms of the sequence a, a + d, a + 2d, a + 3d, ... where n represents a natural/counting number, and a and d represent any rea
All of the ratios equivalent to 4:2
HELPPPPPPPPPP PLEASEEEEEEEE!!!!!!
HELPPPPPPPPPPPPPPP!!!!!!!!!
Chris made a batter with 7/8 cup of flour, 5/8 cup of milk, 3/8 cup of butter and 3/8 cup of sugar. How many cups of batter did Chris make? Write your answer t
Apparently X=24 in this problem. I already tried to solve it to equal to 180 but whatever I do it ends up being wrong. I need to know how to solve this for X
Blocks with masses of 3.0 kg , 4.0 kg , and 5.0 kg are lined up in a row on a frictionless table. All three are pushed forward by a 20 N force applied to the 3.
Question 6 (6.03): Simplify. m9n7m6n
rationolize the denominator √10 - √5 / √5 - √2
Find the value of the expression vw × 2 × u − 20 for u = 2, v = 3, and w = 2.