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 ( 99+ )
Otras preguntas
President Wilson's Fourteen Points had asserted the principle of "self-determination." In this spirit, W. E. B. Du Bois organized a pan-African Congress in Pari
A 5.5oz of olives sells for 1.89. At this rate how much should an 8oz can cost
Refer to the web work article on buying a car from a private individual. Which of the following statements is FALSE? Group of answer choices a) You should know
3. What could happen if water temperatures rise? A Carbon dioxide could be released, B Oxygen could be released. COxygen could be absorbed, D Carbon dioxide cou
What are the 2 main regions of the ocean floor?
Which of the following is NOT true of the presidential election of 1800? a. Thomas Jefferson’s victory in the New England states proved to be key to his electi
In 45 years, Gabriel will be 4 times as old as she is right now
Dunes with tips pointing into the wind are called barchan dunes parabolic dunes longitudinal dunes transverse dunes
I need help with this word problem: The local bike shop ordered 19 wheels, and the shop owner wanted to make seven bicycles and/or tricycles from them. How many
What was the lower east side of New York City to European immigrants
