qwerty123 qwerty123

03-03-2015
Mathematics

contestada

solve for (n):

10n - 8 + 4n =20?

solve for (x):

2x + 3x = 25?

Respuesta :

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

BRAINLIESTTT ASAP!! Which families of metals are not so reactive, which allows them to exist by themselves in nature?

true or false 3x+2y=5 has a slope -2/3

The zeroth law of thermodynamics describes the state where we can say what about the movement of heat between two substances?

If the efficiency of a lever is 30% and 560 J is used to move the lever, what is the work output? A) 18.7J B) 168 J C) 1,867 J D) 16,800 J

Using Carbon cycle what carbon trapped in fossil fuels is converted to carbon dioxide

A soccer ball is kicked toward the goal. The height of the ball is modeled by the function h(t) = −16t2 + 48t where t equals the time in seconds and h(t) repres

Two crates,one heavy and one light,are at rest on a waxed floor.What crate will need the greater force to give the same change in speed?Explain.

Simplify by commbining the like terms. 8y - 3y

Which dramatic genre connects to an audience on an emotional level, intertwining elements of comedy and tragedy? a. Melodrama b. Musical c. Comedy

In hamlets dull revenge what is the central idea of lines 1-24. What value does Girard see in identifying Shakespeare’s “double goal”(line 21)? Cite specific co