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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 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 
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 
Algebra22222!!!
Choose the ordered pair that is a solution to the system of equations. 3x  y = 10 x + y = 4 (3, 7) (1, 3) (3, 1) (3, 1) Follow the example I gave in your previous question. I'm not going to do all of them. You want to
asked by Margie on October 14, 2006 
drwls, is this correct,math
drawls this is from the previous post is this correct. solve the system by subtraction. 5x3y=13 4x3y=11 equation#2 woudl be 4x3y=11 3y = 4x+11 y = (4)/(3) x  (11)/(3) so now i substitute it to equation #1 5x  3((4)/(3)x 
asked by jasmine20 on February 13, 2007 
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
Show equation AX=B represents a linear system of two equations in two unknowns. Solve the system and substitute into the matrix equation to check results. I have no idea can you help me out A=1,2 3,5, X=x[1]x[2], B=4 12
asked by mike on December 17, 2009 
math/algebra
solve each of the following systems by substitution. 16) 5x 2y = 5 y  5x = 3 20) 8x 4y = 16 y = 2x  4 28) 4x 12y = 5 x + 3y = 1 Step one: Solve on of the equations for one of the variables. y=2x4 Step two:Substitute the
asked by Diana on June 7, 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 
algebra 2
i'm trying to solve this system of equations with 3 variables 5ab+3c=5 2a+7b2c=5 4a5b7c=65 i tried to make the first equation like a=something so i could substitute it in to the 2nd equation, however i get decimals so it
asked by john on October 7, 2012