Answer: x= -1, z=2, y= -4
Step-by-step explanation:
System of equations:
-5x - 4y - 3z= 15 +
<u>-10x + 4y + 6z= 6</u>
-15x + 3z = 21 ------> 3 (-5x + z) = 7.3
-5x + z = 7
now,
-10x + 4y + 6z= 6
2(-5x + z) + 4y + 4z = 6
14 + 4y + 4z = 6
7 + 2y + 2z = 3
2y + 2z= -4
y+z=-2
Now we were using the equation: 20x + 4y + 4z = -28
20x + 4(y+z) = 20x -8= - 28
20 x = -20
x= -1
With this we can find y and z
X=-1
-5x + z = 7
z= 2
y+z=-2
y=-4
Finally we have: x= -1, z=2, y= -4
I hope this can help you.
Thank you
Answer:
2y=8x-30 or -4x+y=-15
Step-by-step explanation:
Y = -12x - 5
x-intercept is the value when y = 0
i.e. 0 = -12x - 5
-12x = 5
x = -5/12
Thus, x-intercept = -5/12
y intercept is the value when x = 0
i.e. y = -12(0) - 5 = 0 - 5 = -5
Thus, y-intercept = -5
Answer:
this is late but 1176?
Step-by-step explanation:
Answer:
186
Step-by-step explanation:
