mikkywillly mikkywillly

15-04-2016
Mathematics

contestada

What is the value of y in the solution to the following system of equations?

2x + y = −4
5x + 3y = −6

Answer for Blank 1:

Respuesta :

DeannaJ DeannaJ

15-04-2016

2x+ y = -4 5x + 3y = -6
y= -4 -2x

substitute y=-4-2x into 5x+3y=-6
5x + 3(-4-2x) = -6
5x -12 -6x =-6
-x=6
x=-6

sub x=-6 into 2x+y=-4
-12 + y = -4
y=8

x=-6 and y=8

Answer Link

Otras preguntas

select the product of (3x-4)(3x4)

Which characteristic is shared by sonnets and haiku?

Find the length of the radius of the following circle. (x + 2)2 + y2 = 10

Guess the mystery number.The number is greater then 10 and less then 18. The number is the sum of two identical odd numbers. What is the number? Show how you fo

List all the commonwealth games mascots from 1982-2014

List all the commonwealth games mascots from 1982-2014

A particle travels in a circle of radius 82 cm and with a centripetal acceleration of 4.7 m/s2. How long does the particle take to complete one revolution?

What is a synonym for sensory language?A.simileB.fluencyC.metaphorD.imagery im thinkin D?

Rachel and David share 40 biscuits between them in the ratio 2:3, How many biscuits do they each get?

How do I solve for x? X+6x=56