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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
asked by zwgz123 on December 15, 2017 
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Use the Substitution method to solve the system of equations. y  2x = 5 3y  x = 5 Solve one of the equations for x or y. Let's solve the first one for y: y  2x = 5 y = 2x  5 Now let's substitute 2x  5 for y in the second
asked by Margie on February 5, 2007 
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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
asked by Svetlana on October 17, 2006 
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Use the Substitution method to solve the system of equations. y  2x = 5 3y  x = 5 Solve the first equation for y. y = 2x5 Substitute that for y in the second equation and solve for x. Then use the value of x to substitute back
asked by SANDRO! on November 6, 2006

Calculus
Let f(x)=cosxsqrt(1+sinx). A. Let F(x)=the integral of f(x)dx and F(0)=5/3, find F(pi/2). I got 3.386 with Usubstitution B. If G(x)=the integral of f(x)sinxdx and G(0)=1/3, find G(x). I got a reply to this but I did not
asked by Anonymous on February 13, 2015 
Algebra 2
Solve by Substitution x + 2y + z = 14 y = z + 1 x = 3z + 6
asked by John on November 19, 2015 
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solve by substitution 7x2y=35 x4y=5 2x+y=9 8x+4y=36
asked by kathyu on October 14, 2015 
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

algebra 2
4p + 2q = 8 and q = 2p +1 solve by substitution
asked by natasha on October 18, 2012 
Math
how would you solve this with substitution? 3x – 2y = 16 x + y = 8
asked by Alessandra on July 28, 2015 
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Solve the system by addition or substitution. 3x – 4y = 8 6x – 2y = 10 Please get me on the correct track for 3x 4y =8 x=4, y=1 for 6x  2y =10 x= 2, y= 1 Solve one equation for x. 3x = 4y + 8 x = (4y + 8)/3 Insert that value
asked by Amanda on May 20, 2007 
Algebra help!
1.) Solve the system by triangularizing the augmented matrix and using back substitution. xy+z=1 xy4z=7 4x+y+z=6 2.) Perform the indicated row operation, then write the new matrix. 4 4  4 9 6  5 2R1+ R2 > R2 3.) Solve
asked by Becca on March 28, 2013
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