r3o0xandattanyBo r3o0xandattanyBo

18-09-2016
Mathematics

contestada

solve the system of equations {3x-y=10, -x y=12} for Y

Respuesta :

nobillionaireNobley nobillionaireNobley

18-09-2016

3x - y = 10 . . . (1)
-x + y = 12 . . . (2)

(1) + (2) => 2x = 22 => x = 22/2 = 11

From 2, -11 + y = 12 => y = 12 + 11 = 23

Answer Link

Otras preguntas

Which of these are ancient Indian achievements that spread to other regions of the world? A: Arabic numerals and Buddhism B: the idea of citizenship and metal

In "A Pair of Silk Stockings," the silk stockings are a symbol of a. Mrs. Sommers's desire for attention. b. Mrs. Sommers's lack of concern for her children. c.

Which of the following is NOT true of coal production during the Industrial Revolution? A. Coal was the main source of energy during the Industrial Revolution.

Multiply the following polynomials, then place the answer in the proper location on the grid. Write the answer in descending powers of a.(4x^2 - 10x -24) (2x +

Creating a prototype and troubleshooting o are steps in the development of ___? A. a new scientific theory B. A new experiment C. A new scientific law D.A new t

List four services that can be offered by state and local health departments

use loan and afford in a sentence

What is the percent of 7/8

Which best describes the Indus Valley civilization? inventing the wheel developing Hinduism organizing cities well conquering through military might

A buggy and baby together weigh 140N. Center of gravity G shown on diagram. ... what is the corresponding upward force the pusher needs to exert to lift the ba