2 Answered Questions for the topic Substitution, Elimination
Substitution, Elimination
12/22/12
Mixing Fertilizer
Yard bird Gardening carries twokinds of fertilizer containing nitrogen and water. “Gently Green” is 5% nitrogenand “Sun Saver” is 15% nitrogen. Yard bird Gardening needs to combine the twotypes of...
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Substitution, Elimination System Of Equations
11/14/12
Solving systems of equations
1. Use substitution to solve the system of equations:
-x + 2y=7
x - 3y = 3
2. Solve the system of equations by the elimination method
a. 2x+ y = -17
x - y = 2
b. 3x + y =...
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