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Algebra 1
What is an equation of a line perpendicular to the line with equation y = 1  3x a.y=3x + 5 b. y=3x + 5 c.y=1/3x + 5 d. y=1/3x + 5 To solve the linear system below, which substitution of unkowns is proper ? x + 4y= 6 5x  3y =
asked by Ley on April 22, 2013 
ALGEBRA 1!PLZ HELP!
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 
algebra
use substitution to solve the linear system 3x+2y=5 4x3y=16 help plz!!! Solve for y in one formula, and then substitute that value for y in the other formula to solve for x. Once you find x, substitute that value into either
asked by kerry on March 7, 2007 
algebra
use substitution to solve the linear system 3xy=15 x+2y=2 Solve for y in one formula, and then substitute that value for y in the other formula to solve for x. Once you find x, substitute that value into either formula to get
asked by lisa on March 7, 2007 
How do I do this.?(Math.)
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 
algebra
5x2y=5 y5x=3 substitution Substitute 5x +3 for y in the first equation, then solve it for x. Substitute 5x +3 for y in the first equation, then solve it for x. When I subsitute 5x+3 into the equation I get x=1/5 and y=2 is this
asked by Tony on March 20, 2007 
math
Solve systems by substitution 5x  2y = 5 y  5x = 3 Substitute 5x + 3 for y in the first equation, and solve it for x. Once you have x, use either of the two equations you wrote to solve for y.
asked by Robin on August 8, 2007 
algebra 1
Solve the Foll by substitution x=1/5y 3x+2y=26 So, substitute 1/5y for x in the second equation. Then solve for y. Can you take it from here? yes thanks I figured it out. Danielle
asked by DANIELLE on December 21, 2006 
Math
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 1
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
asked by slomo on January 3, 2015 
PreCalculus
If you solve the following system of equations by substitution, which statement is true? x = z x  2y + z = 6 2x + y  2z = 1 A. You can substitute z for x into the second and third equations. B. You can substitute x for z into
asked by Caroline on January 22, 2013