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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 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
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1) A toy car with a mass of 2.35 kg is pushed with a force of 21.6 N. What is the acceleration of the car? a) Given Information: Write the given information in the problem. If any units need to be converted, make that conversion
asked by Lilly on March 14, 2020 
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 
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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

math
if (2x3):(y+4)=k where k is a constant and x=4 when y=2 then find x when y=6 What does the : between the factor mean? (2x3) : (y+4)=k Multi[lication? If so, substitute 4 for x and 2 for y to get (2*43):(2+4)=k = 5*6 Then solve
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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 
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 
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 
math need asap
7r4s=7 (7) 4r+7s=61 (4) 49r  28s = 49 16r + 28s = 244  65r = 195 195/65 = 3 (simplified) (3, is the first number of the ordered pair.) Now this is the part that I get lost on. I know I am suppose to substitute 3
asked by SAP on September 30, 2010