Sorality Sorality

01-07-2017
Mathematics

contestada

Find the solution of this system of equations

6x = 90 +3y
x - 3y = 50

Show work please

Respuesta :

konrad509 konrad509

01-07-2017

[tex]6x = 90 +3y\\ x - 3y = 50\\\\ -6x+3y=-90\\ \underline{x-3y=50}\\ -5x=-40\\ x=8\\\\ 8-3y=50\\ 3y=-42\\ y=-14 [/tex]

Answer Link

fakeclogg fakeclogg

01-07-2017

I did it using elimination method.

Ver imagen fakeclogg

Answer Link

Otras preguntas

New ecosystems have been created by human land use. Please select the best answer from the choices provided

alex wong basketball after making a half court shot. the display box for his new basketball is in the shape of a cube. alex measures the length of one side of t

Mrs. Zerlinsky wrote a chemical equation on the board and asked her class what should be changed to make it correct. She wrote: water + glucose → carbon dioxi

x + 2 Diagram NOT accurately drawn x-5 x + 6 The diagram shows a trapezium. The lengths of three of the sides of the trapezium are x - 5, x + 2 and x + 6. All m

You take $150 you had kept under your mattress and deposit it in your bank account. Supposed this 150 stay in the banking stystem as reserves and bank hold rese

Find ratio of 378 to 945

Solve for q. 6q = -8 + 7q

How many more games had 12 to 15 balls made than 4 to 7 balls made?

Define principles of art and design

Find the mean: -2, 8, -3, 4, -6