maryfitzgerald2019
maryfitzgerald2019
03-02-2017
Mathematics
contestada
3x + 3y = –9
3x – 3y = 21
Respuesta :
yashddsy26
yashddsy26
03-02-2017
so solving by addition !
6x= 12
x= 2
and y = -5
Answer Link
juanny1818
juanny1818
03-02-2017
3x+3y=-9
Add -3y to both sides.
3x
+
3y
+
−
3y
=
−9
+
−
3y
3x
=
−
3y
−
9
you can divide
3x/3= -3y-9/3
x= -y-3
3x-3y=21
x=y+7
Answer Link
VER TODAS LAS RESPUESTAS ( 48+ )
Otras preguntas
what is the answer of 10 times 10
Bragg uses vivid detail throughout his memoir. What is the purpose of the following description? "It was dark inside, but light enough to see what looked like a
Given f(x) = 3x – 5, solve for x when f(x) = 1
The use of graphical and numerical methods to organize, summarize and present data in a meaningful way for the purpose of making more informed decisions is know
Why was there conflict among the Powhatan people and colonists
What does the statement "all motion is relative" mean?
______ is a part of all organic compounds, which make up living things.
Using complete sentences, list three types of government and give one example of each
Select the correct answer. Which type of historical text typically is a collection of articles or essays with a common theme? A. anthology B. historical novel O
Five people are tossing a coin in turn and agree that the first one to get a head wins. What's the probability that the first person who tosses the coin wins th
