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algebra
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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x=y+3 5xy=2 Solve using Elimination I already solved the equation using Substitution, Graphing, and a table I just need a little more help on Elimination. I know that in Elimination they have to be in the same form so I put it
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Hello! I need help with these math questions, thanks! :) 1.) Solve the system by substitution. 5x + 2y = 17 x = 3y 2.) Solve the system by substitution. x/3 + y = 4/3 x + 2y = 11 3.) Solve the system by elimination. 2x  3y = 0
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bobpursey, In this problem you helped me with earlier: Solve using any appropriate method. y = 2×  5, y = ½× + 1 Substitution, substitute for y. 2×5=½ × + 1 3/2 x=6 x=4 y= 2*45=3 How did you choose which method you were
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(Systems) how do I solve 5x+3y=2 and x+2y=6 using substition This is what I did X+2y=6 eq.1 5x+3y=2 eq.2 X=3y/5 Sub(x=3y/5) into eq.1 3y/5 + 2y=6 7/5y=6 y=30/7 Sub(y=30/7) into eq.2 5x+3(30/7)=3 5x+90/7=3 5x=69/7 x= 68/35 The
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Solve the system of equations using matrices. Use Gaussian elimination with backsubstitution. x + y + z = 5 x  y + 3z = 1 4x + y + z = 2 I really need help.. 1 1 1 5 1 1 3 1 4 1 1 1 2 I've done so many different methods
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solve the systems of equation: First : 4x2y = 2 Second: y = 4x7 Should i solve by using substitution, elimination or multiply then use elimination? Try adding them. Add up the left sides and the right sides (after rearranging
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Algebra
Solve: 3x2y=10 2x+3y=2 Graph: Substitution: Elimination: Show Your work! (I can'tfigure out how to graph it and when i used substitution and elimination it came out with two different anwsers. I got (13/3.5,19/10.5) for
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hOW can I solve this by elimination? I know how to solve by substitution but not elimination 3x – 2y = 0 9x + 8y = 7
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Help please math
Solve using substitution. y = x – 2 x + y = 10 7x + 2y =  8 8y = 4x Solve using elimination. 2x + 3y = 12 2x – y = 4 5x – 2y =  19 2x + 3y = 0
asked by Katelyn on January 10, 2014