caitieidson5769 caitieidson5769

22-07-2017
Mathematics

contestada

Find the solution of this system of equations. separate the x- and y-values with a comma. x= 8 + y -2x + 6y= -20

Respuesta :

Banabanana Banabanana

22-07-2017

{x= 8 + y
{-2x + 6y= -20

-2(8+y) + 6y = -20
-16 - 2y + 6y = -20
4y = -20 + 16
4y = -4
y = -1

x = 8 + y = 8 + (-1) = 7

Answer: x = 7, y = -1

Answer Link

Otras preguntas

If a1 = 3, an+1 = 2an, find a2.

the diagram shows an athlete crossing the finishing line in a race. as she crosses the finishing line, her speed is 10 m/s. she slows down to a speed of 4 m/s.

türküm dilinizi bilmiyorum help me

A jet engine generates 160 kn of force as it propels a 20.000kg plsn down a run way. If 49 kn of friction opposes the motion of the plane how much time win it

what is the answer to 3.14 multiplied by 62

1)The monster has never appeared in this forest.( into negative )2) kale kanchho said," I love you,' Geeta". ( into direct speech)3) The boy wa handsome.His fat

Use must have, might have and can’t have to write a sentence about each person in the photos.

Triangles RST and XYZ are drawn below. If RS= 6, ST=14, XY = 9, YZ=21, and ZSZY, is ARST similar to AXYZ? Justify your answer.

Leslie wants to invest $3,800.00 in a savings account that pays 4.8% simple interest. How many years will it take for this investment to triple in value? Round

Match good with type of good it represents (answered) Health care - Merit goods Clean air- public goods Stock investment- individual goods