yokwegram00
yokwegram00 yokwegram00
  • 25-01-2017
  • Mathematics
contestada

Please explain : y = -x + 8. y = 4x - 7 solve system of equation?

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 25-01-2017
since both equatl y set them equal toeach other

8-x=y=4x-7
8-x=4x-7
add x both sides
8=5x-7
add 7 to both sides
15=5x
divide by 5
3=x

sub back

y=-x+8
y=-3+8
y=5

the solution is
(x,y)
(3,5)


Answer Link
dnso dnso
  • 25-01-2017
I thin x=3 and y=5. If I have enough time I will include the steps
Answer Link

Otras preguntas

Why has no president been convicted in an impeachment trial?
What is the length of the diagonal, ddd, of the rectangular prism shown below? Round your answer to the nearest tenth.
in a well structured paragraph, compare the rhetorical devices used by president obama and president trump
Start time 7:20 am. 8:58 am ending time elapsed time between them are
In which step do you organize information? Writing from outline. Selecting topic, Outlining. Gathering information,
how does president reagan best support the argument that soviet students jave reason to be positive about thd future? -by focusing on the availability of natura
Find the mean and median of the distribution.
The first republic was used by the ancient __________. A. Greeks B. Vikings C. Romans D. Bulgarians Please select the best answer from the choices provided
se requiere instalar un cable desde un poste de electricidad de 10 M de alto hasta una casa de 3 M de alto. ¿Cuanto se necesita de cable?
Which phrase best describes this polygon?Options:convex dodecagonconvex hexagonconcave dodecagonconcave hexagon