SOLUTION: Solve by the substitution method. 1/3x+1/5y=-4/5 1/3x+4y=3

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solve by the substitution method. 1/3x+1/5y=-4/5 1/3x+4y=3      Log On


   

Question 712416: Solve by the substitution method.
1/3x+1/5y=-4/5
1/3x+4y=3
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
1/3x+1/5y=-4/5
1/3x+4y=3
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1/3x = -1/5y - 4/5
1/3x = -4y + 3
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Sub for (1/3)x
-1/5y - 4/5 = -4y + 3
Multiply by 5
-y - 4 = -20y + 15
etc
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Elimination is the best method for these 2 equations.