renad17ahmed
renad17ahmed
26-01-2017
Mathematics
contestada
Elimination of
x-y=11
2x+y=19
Respuesta :
apologiabiology
apologiabiology
26-01-2017
ggeasy
we can eliminate the y terms by adding the equations
x-y=11
2x+y=19 +
3x+0y=30
3x=30
divide by 3
x=10
subb ack
x-y=11
10-y=11
minus 10 both sides
-y=1
times -1
y=-1
(x,y)
(10,-1)
Answer Link
VER TODAS LAS RESPUESTAS ( 93+ )
Otras preguntas
7 5/7×5 Which choice is the most reasonable answer A 32 4/7 B 41 4/7 C 34 4/7 D 38 4/7
Who said "Governments are instituted among Men, deriving their just powers from the consent of the governed . . . whenever any Form of Government becomes destr
Which corrects any error in the use of apostrophes in the sentence? Have you ever noticed how James sometimes forgets to make his js go below the line? A.
How are aerobic and anaerobic systems involved in nutrient cycling
What piece of equipment is used to expose a piece of photography paper to light through the negative?
Which of the following is true of the Heckman equation
Which of the following is the best example of an appropriately-narrowed topic for an informational research paper? 1)slavery 2)how Frederick Douglass learned to
What is the h+ if the ph of a solution is 4.85
Which era is known as the Age of Reptiles? Cenozoic Mesozoic Paleozoic Precambrian (50 Points)
-x + 1/2 = x + 41/2 *PLEASE SHOW WORK*
