SOLUTION: Solve each of the following systems by substitution
8x - 4y =16
y = 2x - 4
Algebra.Com
Question 76123: Solve each of the following systems by substitution
8x - 4y =16
y = 2x - 4
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve by substitution:
1) 8x-4y = 16
2) y = 2x-4 Substitute this for the y in equation 1) and solve for x.
1a) 8x-4(2x-4) = 16 Simplify and solve for x.
1a) 8x-8x+16 = 16
1a) 16 = 16
The two equations represent the same line and any value of x will satisfy the equations.
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