SOLUTION: solve the following by substitution
8x-4y=16
y=2x-4
8x-4(2x-4)=16
8x-8x+16=16
16=16
Double checking to make sure I did these right.
Algebra.Com
Question 108404: solve the following by substitution
8x-4y=16
y=2x-4
8x-4(2x-4)=16
8x-8x+16=16
16=16
Double checking to make sure I did these right.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You did the problem correctly. Since you get 16=16, this means that any x value will satisfy the equation. So there are an infinite number of solutions.
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