SOLUTION: A) -4 -3 -4Z = 1 -5 +1Y +2z =-34 5X -1Y = 28 B) 5X +5Y -1z =21 3X -2Y -4Z =48 4X -4Y -1Z =42

SOLUTION: A) -4 -3 -4Z = 1 -5 +1Y +2z =-34 5X -1Y = 28 B) 5X +5Y -1z =21 3X -2Y -4Z =48 4X -4Y -1Z =42

Algebra.Com

Question 59083: A) -4 -3 -4Z = 1
-5 +1Y +2z =-34
5X -1Y = 28

B) 5X +5Y -1z =21
3X -2Y -4Z =48
4X -4Y -1Z =42
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
-4-3-4Z=1
-4Z=1+4+3
-4Z=8
Z=8/-4
Z=-2 THEN
-5+Y+2*-2=-34
-5+Y-4=-34
Y=-34+5+4
Y=-34+9
Y=-25 THEN
5X-1*-25=28
5X+25=28
5X=28-25
5X=3/5
X=3/5

RELATED QUESTIONS
solve using cramers rule: 2x-3y-3z=25 3x+1y-1z=-5 5x-2y-4z=32 I am very... (answered by Edwin McCravy)

2x-1y+3z=5,3x+2y-1z=-2,1x+3y+4z=17 (answered by richwmiller)

Solve. If the system's equations are dependent or it there is no solution, state this. (answered by Alan3354)

Solve. If the system's equations are dependent or it there is no solution, state this. (answered by solver91311)

1) x+y=9 x+2y=13 x= y= 2) 3x+7y= 24 9x+5y=24 x= y= 3) 4x+y=17 2x+3y+21 x= (answered by Fombitz)

2x + 3z = 4 3y + 2z = 5 3x + 4y = −16 (x, y, z) = 2x +... (answered by Alan3354)

Which answer correctly shows the first step that can be used to correctly solve the... (answered by Edwin McCravy)

Which answer correctly shows the first step that can be used to correctly solve the... (answered by solver91311)

1x+2y+3z=-5 3x+2y-2z=-13 5x+3y-1z=-1 Solution for three variable... (answered by Alan3354)