Seudónimo
Seudónimo
02-12-2016
Mathematics
contestada
solve system by elimination
9x-3y=3
3x+8y=-17
Respuesta :
apologiabiology
apologiabiology
02-12-2016
multiply 2nd equation by -3 and add to first
9x-3y=3
-9x-24y=51+
0x-27y=54
-27y=54
divide both sides by -27
y=-2
sub back
3x+8y=-17
3x+8(-2)=-17
3x-16=-17
add 16 to both sides
3x=-1
divide 3
x=-1/3
(x,y)
(-1/3,-2)
Answer Link
VER TODAS LAS RESPUESTAS ( 34+ )
Otras preguntas
Find the perimeter of this figure. Answers choices 40 m 20 m 100 m 80 m
40 points 3 questions !! From The Glass Mengerie. 1) In what ways is Jim different from the Wingfields 2) What does the end of the play say about Jim’s charact
The magistrate calls Meursault “Monsieur Antichrist” because _____. Meursault believes that he is God Meursault does not believe in God Meursault believes that
which statements are true about the ordered pair (-1,5) and the system of equations x+y=4 x-y=-6
please respond asap!!!
which factor does the supreme court generally consider especially important when deciding which cases to review
who was falcon bridge
which organism releases oxygen into the atmosphere
TRUE OR FALSE: Cold air is heavier than warm air________.
A painter leans a 13ft ladder against a house. The base of the ladder is 5ft from the house. How high on the house does the ladder reach?
