treasure8
treasure8
04-12-2017
Mathematics
contestada
4x-5y=-2 and 3y-x=-3
Respuesta :
hunterkoenek
hunterkoenek
04-12-2017
4x-5y=-2
3y-x=-3
-------
4x-5y=-2
x = 3y+3
Substitute for x in eqn 1
4(3y+3)-5y = -2
Answer Link
dannielle
dannielle
04-12-2017
4x-5y=-2
-x+3y=-3 |*4
4x - 5y= - 2
-4x +12y= -12
--------------------
/ 7y=-14
y= -14:7
y= -2
3y-x= -3
3*(-2)-x=-3
-6 - x= -3
x=-6+3
x= -3
The solution is (-3,-2)
Answer Link
VER TODAS LAS RESPUESTAS ( 31+ )
Otras preguntas
What do we call any space that has no air?
The two southern colonies that did not enroll free blacks and slaves to fight were
How do I solve this problem?
Who was Shakepeare's rival in theater and a spy for Queen Elizabeth?
____ is the point in earth's orbit where earth is closest to the sun
Which of the following says "some strong men" in Spanish? A.) los hombres fuertes B.) los fuertes hombres C.) unos hombres fuertes D.) unos fuertes hombres
The enlightenment philosophers believed that the power of government is derived from
The gazelle football team made 5 plays, gaining 4 yards on each play . then they made 4 plays, loosing 10 yards on each play . What was the total change in thei
(70 points) Which of the following has a graph that is a straight line? Equation 1: y = 5x2 + 41 Equation 2: y = 14x5 − 4 Equation 3: y = 12x + 17 Equation
The “halo effect” is a perceptual tendency which causes us to be more generous in our judgment of ourselves over others.
