SOLUTION: how to solve equations using substitution y=.75x 3x-4y=0

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Question 583360: how to solve equations using substitution
y=.75x
3x-4y=0
Answer by dfrazzetto(283) About Me  (Show Source):
You can put this solution on YOUR website!
y=.75x
3x-4y=0
3x - 4(3x/4) = 0
3x - 3x = 0
0 = 0 always true for all real numbers