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Veronica
Mathematics
20 January, 07:33
What is the x value such that y=15-3x and y=0
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Johnathan Dodson
20 January, 07:37
0
X=5
because 15-3 (5) = 15
So, 15-15=0
X=5
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Fabian Sloan
20 January, 08:01
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Y=15-3x substitute 0 for y
(0) = 15-3x subtract 15 from both sides
-15=-3x divide by - 3 on both sides, a negative divided by or times by another negative will always equal a positive so x equals positive 5
x=5
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