SOLUTION: Someone please show me how to do these so I can help my son -1/5y=-6 3/4z= -5 1/2 -2/3t=72

Algebra ->  Equations -> SOLUTION: Someone please show me how to do these so I can help my son -1/5y=-6 3/4z= -5 1/2 -2/3t=72      Log On


   

Question 335064: Someone please show me how to do these so I can help my son
-1/5y=-6
3/4z= -5 1/2
-2/3t=72
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
-1/5y=-6
Assuming you mean (-1/5)y and not -1/(5y):
Multiply by -1
(1/5)y = 6
Multiply by 5
y = 30
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3/4z= -5 1/2
(3/4)z = -11/2
Multiply by 4
3z = -22
Divide by 3
z = -22/3
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-2/3t=72
Multiply by 3
-2t = 216
Divide by -2
t = -108