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 ( 69+ )
Otras preguntas
Plot the x- and y-intercepts to graph the equation. y=13x−1. Plot the x- and y-intercepts to graph the equation. y=13x−1.
What breed of cattle has a reddish gold coat
i don’t know how to do this so help- please
The map below shows the major rivers in Texas. Use the map to answer any questions that follow. Which river on the map runs east and west? The Canadian The Guad
was juice wrld a good rapper
Hey, Kinda sad rn Lemme vent out on brainly, okay soooo... don't you just hate when others don't get what u try to say like do misunderstand you and then big
which expression is a sum of a number and a product A 3+5x B 5x C 5(x-3) D 5+ x -3 PLS HELP
Pls tell me I really need help
Solve the system of linear equations by graphing y=1/3x+5 y=2/3x+5 What is the solution
Find the slope of the line that passes through (10, 1) and (6,2)
