Respond to this Question
Similar Questions

Substitution MethodPlz help
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 it.How … 
Algebra
Can someone please help solve this? Solve by using addition or substitution or addition. 10x+2y=7 y=5x+3 the answer my got was x=11/10 y=2 My teacher said that was wrong. Never mind this post I found out how to solve it. Try substitution. 
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. 
math
solve each system of equations by substitution. y=3x9 please help explain how to solve this using substitution. 
Linear Equations
Can you please help solve this equation using the substitution method? 
algebra
i need help with these problems (either a solution or how to plug them into a graphing calculator): 1) Solve by substitution or elimination 4/x + 1/y + 2/z = 4 2/x + 3/y  1/z = 1 1/x + 1/y + 1/z = 4 2)Solve the system of equations … 
Math
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. 
Math
Solve the integral of (x*e^2x)/(1+2x)^2 by first using u substitution and then use integration by parts. I am very confused on how to do usubstitution with this because no mattter what I let u be equal to the du never comes out to … 
Algebra
I need help learning to solve substitution. I have a problem that says solve the system by substitution 4.5x2y=12.5 3.25xy=0.75 
Algebra PLEASE HELP!!
What advantages does the method of substitution have over graphing for solving systems of equations?