eminemthebest10 eminemthebest10

16-02-2018
Mathematics

contestada

use the substitution to solve the system of equations

y= -2x

x-3y=21

Respuesta :

Banabanana Banabanana

16-02-2018

y= -2x
x-3y=21

x - 3(-2x) = 21
x + 6x = 21
7x = 21
x = 21/7
x = 3

y= -2x
y = -2*3
y = -6

(3, -6)

Answer Link

Otras preguntas

state the principal of independent assortment below

help me please and maybe explain how you go the answer

ANSWER FOR BRAINLIESTWhat sort of rhetorical appeal is Squealer attempting to use by quoting "files","reports". "minutes", and "memoranda"?

a random group of high school and college students were asked if they study with or without listening to music. the frequency table below shows the results of t

_____ are most broadly defined as compounds that are electron-pair acceptors. A: Bases B: Acids

7. Lli(s) + N₂(g) → 2 Liz Ncs) How many moles of Lithium are needed to produce 1.60m of Liz N ? a-1.80 b- 4.80 c-1.60 d-3.20

find the solution set s^2=16

What is the simplified version of 6x-3y+8x-5y

Help?Which 2 data sets appear to be the most similar?

A garden table and a bench cost $659 combined. The garden costs $91 less than the bench. What is the cost of the bench?