samhen93 samhen93

03-12-2014
Mathematics

contestada

6x-5y=22 y=-8 using systems of equations by substitution

Respuesta :

AndyBryer AndyBryer

03-12-2014

We need to sub y=-8 into the first equation
6x+40=22
6x=-18
x=-3

Answer Link

03-12-2014

[tex] \left \{ {{6x-5y=22} \atop {y=-8}} \right. \\\\ substitute\ y=-8\ into\ first\ equation\\\\ 6x-5*(-8)=22\\\\ 6x+40=22\ \ \ | subtract\ 40\\\\ 6x=-18\ \ \ | divide\ by\ 6\\\\ x=-3\\\\ y=-8[/tex]

Answer Link

Otras preguntas

why did Indians use anthropomorphic imagery

2-x-3 combining like terms please

Which pairs of numbers are the same distance apart as 2.9 and 3.8? Select all that apply. A 0 and 0.8 B 0 and 0.9 C 1.0 and 1.9 D 1.8 and 2.9 E 1.9 and 2.8

The book under the bed is well-written. What is the Adjective or adverb in this sentence ?

How does the size of a pure substance affect its density? ( Only claim is needed for CER)

What would it take for Americans today to favor a greater reliance on nuclear power as a source of electricity

A wildebeest runs with an average speed of 4.0\,\dfrac{\text m}{\text s}4.0 s m 4, point, 0, start fraction, start text, m, end text, divided by, start text,

Draw the Lewis structure for COCl2, including lone pairs.What is the molecular shape of COCl2? The C - Cl bond in COCl2 is

What were the effects of the Spanish Civil war.

Determine if each of the following sets is a subspace of {\mathbb P}_{n}, for an appropriate value of n. Type "yes" or "no" for each answer.A. Let W_{1} be the