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 ( 94+ )
Otras preguntas
300 °C would be found in which temperature range? A.373 K–472 K B.473 K–572 K C.573 K–672 K D.673 K–772 K
Primary deviance is nonconformity that is detected by those in authority. true or false
What is a cells main goal
The identity of an element is defined by its number of _______________. For example, every atom of Carbon has ___ protons and only atoms with 6 protons are ____
glycolysis breaks down glucose into two pyruvates
1. Where was glacial Lake Missoula? What happened to it?
How are human activities disturbing carbon dioxide levels and affecting marine life? A. Increased carbon dioxide levels have made the oceans more alkaline. B.
true or false settlement houses multi family urban dwelling were often overcrowded and unsanitary?
How many kilojoules are released when 116 g of Cl2 reacts with silicon? Si(s)+2Cl2(g)→SiCl4(g)ΔH=−657kJ
if u pour flour and sugar in one bowl is the substance a mixture atom or element
