21rostjos
21rostjos
11-04-2017
Mathematics
contestada
X-y=3
X+2y=-6
Plz get it right
Respuesta :
apologiabiology
apologiabiology
11-04-2017
x-y=3
x+2y=-6
solve for x in first
x-y=3
x=y+3
sub y+3 for x in other
(y+3)+2y=-6
y+3+2y=-6
3y+3=-6
minus 3 both sides
3y=-9
divide by 3
y=-3
sub back
x=y+3
x=-3+3
x=0
(x,y)
(0,-3)
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
how do i find the mid point of (-6,0) , (6,5) please show work thanks
how do you find the y-intercept in a equation?
why do mammals need more extensive respiratory surface?
how do you find the y-intercept in a equation?
What is the meaning of the word "counteract" in this statement from "Anti-Federalist Paper No. 84"? Others are not necessary to be resigned in order to attain
Which of the following is/are part of the nitrogen cycle: a. eutrophication b. denitrification c. saturation d. all of the above
HOW MANY ELECTRON MAKES 10 COULOMB OF CHARGE?
how many grams of aluminum sulfide can form from the reaction 9.00 g of aluminum with 8.00 g of sulfur
determine whether (5,6) is the solution for y=x+1
if a object is moving at a velocity of 100kmph and suddenly decelerates at the speed of 10 kmph find the distance traveled
