Post a New Question

math

posted by .

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

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question