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Algebra PLEASE HELP!!
What advantages does the method of substitution have over graphing for solving systems of equations? Choose the correct answer below. A. Graphing cannot be used to solve dependent or inconsistent systems due to the nature of the
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Use the Substitution method to solve the system of equations. x + y = 4 x  y = 2 solve for x in the second equation. x= y+2 Put that in for x in the first equation: x+y=4 (y+2) + y = 4 solve for y. Then, x= y+2 i don't get
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17) solve this linear system using the method of substitution. 2yx=10 y= 3/2x1 20) simplify then solve by substitution 2(x4)+y=6 3x2(y3)=13 just need help with these 2.
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Solve by either the substitution method or the addition or subtraction method 2m=n3 3m=2n9 Just replace n with (2m + 3) in the second equation. Then solve for m. Once you know the value of m, use either of your equations, such
asked by DANIELLE on December 21, 2006 
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Solve by elimination method. 2r5s=33 5r+2s=48 Solve by substitution method. 5x+6y=5 x9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..
asked by Amanda on November 11, 2009 
algebra
Solve by elimination method. 2r5s=33 5r+2s=48 Solve by substitution method. 5x+6y=5 x9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..
asked by Anonymous on November 11, 2009 
math
Solve by elimination method. 2r5s=33 5r+2s=48 Solve by substitution method. 5x+6y=5 x9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..
asked by Amanda on November 11, 2009 
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
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Solve the system of equations using either the substitution method or the multiplication/addition method answer: 3x+2y=14 2x4y=4
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