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Solve, using the substitution method. y – 2x = 8 16 + 4x = 2y A. The only solution is (24, 0). B. There are an infinite number of solutions. C. The only solution is (1, 10). D. T…
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Solve, using the substitution method. y – 2x = 8 16 + 4x = 2y A. The only solution is (24, 0). B. There are an infinite number of solutions. C. The only solution is (1, 10). D. T…
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Sep 17, 2016
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Solve, using the substitution method.
y – 2x = 8
16 + 4x = 2y
A.
The only solution is (24, 0).
B.
There are an infinite number of solutions.
C.
The only solution is (1, 10).
D.
There is no solution.
Mathematics
middle-school
Dave Kasper
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Dave Kasper
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y-2x=8 (label equation 1)
16+4x=2y (label equation 2)
divide equation 2 by 2 to find y
y=2x+8
sub this in equation 1
(2x+8)-2x=8
2x+8-2x=8
8=8
once you get to this point because 8=8 there are an infinite number of solutions because you can't divide by 0. So the answer is B
NRUSINGHA MOHARANA
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Sep 24, 2016
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NRUSINGHA MOHARANA
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