SOLUTION: Write an equation in three variables. Solve the equation for each variable. Show all your steps.

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Question 895040: Write an equation in three variables. Solve the equation for each variable. Show all your steps.
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
1.
2.
3.
Add eq. 1 and eq. 2,


4.
.
.
.
Add eq. 1 and eq. 3,



Then from above,



and finally,




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