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 ( 91+ )
Otras preguntas
Which factors caused crops to stop growing in Sumer? Choose all answers that are correct. a. salty soil b. poor drainage c,pest infestations d. extended drought
Familia lexicalA a cuvantului profesor
what is 6/18 in simplest form
which is a power enjoyed by a stockholder? A. May not get an increase in the amount of one's investment. B. Can increase investament if the price of ones's stoc
Should secret wiretapping be legal
how much is 77 divided by 5
The __________ and Ronne ice shelves are major landforms in Antarctica. a. Ayers b. Aoraki c. Cook d. Ross
The nutrition facts label on a container of dry roasted cashews indicates there are 161 calories in 28 grams. You eat 9 cashews totaling 12 grams.
What did the Supreme Court rule in the Plessy v. Ferguson case in 1896? A. The 13th, 14th, and 15th Amendments were unconstitutional. B. Jim Crow Laws were unco
Use a transformation to solve the equation. m+12.6 = –24 a. m = –36.6 b. m = –12.2 c. m = 12.2 d. m = 36.6
