Monday
November 24, 2014

Homework Help: math

Posted by Janna on Wednesday, August 8, 2007 at 1:38am.

Not sure about this...

Need to solve by substitution

8x - 4y = 16
y = 2x -4

Substitute 2x -4 for y in the first equation and solve the resulting equation for x.
8x - 4(2x-4) = 16
16 = 16
The two equations are not independent. One can be derived fron the other. There are an infinite number of solutions

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

How do I do this.?(Math.) - Use the Substitution method to solve the system of ...
Algebra 1 - What is an equation of a line perpendicular to the line with ...
ALGEBRA 1!PLZ HELP! - Use the Substitution method to solve the system of ...
math - Solve systems by substitution 5x - 2y = -5 y - 5x = 3 Substitute 5x + 3 ...
algebra - 5x-2y=-5 y-5x=3 substitution Substitute 5x +3 for y in the first ...
substitution method - -3x+y=-5 x+2y=0 Your equations: -3x + y = -5 x + 2y = 0 ...
substitution method - -x-4y=-14 2x=y+1 Let's look at your two equations. -x - 4y...
Math - Solve the system by addition or substitution. 3x 4y = 8 6x 2y = 10 ...
Alg-Substitution (check plz) - k well i had to use substitution to find the ...
Substitution Method-Plz help - Use the Substitution method to solve the system ...

Search
Members