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algebra
Requesting help. (I must reckon, that X is a variable, and y is yintercept) Q: Try to use the substitution method to solve the the linear system y=3x an y=3x7. What do you notice? A) What happens when you graph it? B) Explain
asked by Michael on October 6, 2008 
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use the substitution method to solve the linear system. 1. 3x=9 x+2y=9 3x/3 = 9/3 x = 3 x(3)+2y = 9 3+2y = 9 2y = 12 y = 6 is (3,6) correct? =========== also, can you please tell me how to solve these? use the linear
asked by jenn on November 17, 2009 
Algebra
Solve this system of linear equations. * Used the substitution method 3x  y = 8 4x  y = 15  WORK y = 3x  8 4x  (3x  8 ) = 15 4x  3x + 8 = 15 x + 8 = 15 x = 7 3x  y = 8 3(7)  y
asked by Lucina on January 20, 2015 
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Use the substitution method to solve each linear system: x+3y+1=0 3xy+1=0 4x3y=13 2x+y=4 Please help, thanks:):)!!!!
asked by Miley on November 18, 2013 
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Use a substitution method to solve the linear system 2a=8 a+b=2
asked by Tila on January 9, 2008 
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how do you use the substitution method to solve the linear system? 2x5y=7 7x=y=8
asked by aneme on February 12, 2008 
Algebra
Use the substitution method to solve the linear system. 1/8p+3/4q=7 3/2pq=4 Thanks.
asked by Emma on January 6, 2013 
math  hw help. plz
How to I solve this linear system using method of substitution? 1/4x + 1/2y = 5/12 2x  y = 4/3
asked by TD on April 10, 2015 
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3x + 2y = 8 x + 4y = 4 use substitution method to solve the linear system.
asked by Bun on February 22, 2011 
algebra
Use the substitution method to solve the linear system. Thanks! s= t+4 2t+s=19
asked by Emma on January 6, 2013