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 ( 64+ )
Otras preguntas
What is the effect of molecule size on a molecule size on a semipermeable membmane?
PLEASE HELP GUYS........................................................I'M DYING WITH ALGEBRA 1..............8TH GRADE.........................................
Find the area of a triangle with sides a = 5, b = 8, and c = 11
10. What is a developed nation? A nation working hard to increase its gross national income. A nation working hard to support its citizens and devel
Using this how do you solve the equation: f(g(3))
which plant and animal species are characteristics of the Sahara desert in Africa
In what decade was photography invented?
please help with this fraction. 6/7 divided by negative -5/6
The colossal heads are the most regonized symbol of The mayan Culture. True or False?
Mi hermana les da los papeles ________. (1 point) Question 6 options: 1) al profesor 2) del profesor 3) a los profesores 4) de los profesores
