math
posted by Janna .
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(2x4) = 16
16 = 16
The two equations are not independent. One can be derived fron the other. There are an infinite number of solutions
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