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math/algebra
solve each of the following systems by substitution. 16) 5x 2y = 5 y  5x = 3 20) 8x 4y = 16 y = 2x  4 28) 4x 12y = 5 x + 3y = 1 Step one: Solve on of the equations for one of the variables. y=2x4 Step two:Substitute the
asked by Diana on June 7, 2007 
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solve each following system by substitution. 4x12y=5 x+3y=1
asked by Cynthia on September 2, 2007 
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solve each following system by substitution 4x12y=5 x+3y=1
asked by Cynthia on September 2, 2007 
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Can someone show me step by step how to do this problem to have an example to go by so I will be able to do my other problems. Thanks Solve by substitution 4x12y=5 x+3y=1 I know that you have solve one of the equations. I have
asked by jessica on May 6, 2007 
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i need help with these problems (either a solution or how to plug them into a graphing calculator): 1) Solve by substitution or elimination 4/x + 1/y + 2/z = 4 2/x + 3/y  1/z = 1 1/x + 1/y + 1/z = 4 2)Solve the system of
asked by Alyssa on April 5, 2011 
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Solve by substitution: 4x12y =5 x + 3y = 1
asked by Carl on January 23, 2008 
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How do I solve the following by substitution: 5x 2y =5 y  5x = 3 8x  4y = 16 y = 2x  4 4x 12y =5 x + 3y = 1
asked by Carl on January 23, 2008 
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How to solve by substitution: 4x  12y=5 x + 3y = 1
asked by Carl on January 23, 2008 
algebra
Solve by substitution; 4x12y=5 x+3y
asked by Carl on January 23, 2008 
algebra
Solve the following systems by substitution. 4x12y=5 x+3y=1
asked by Becky on December 26, 2007