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Mathematics
Charity Stuart
27 May, 13:27
What is 3x-5y=5?
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Buster
27 May, 17:16
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X equals to 5 and y equals to 2
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Lily
27 May, 17:21
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3x-5y=5
First, subtract 3x from both sides,
-5y=3x-5
Second, divide everything by 5, to get y by itself
y=-3x/5-1
Now that we know what y equals, just substitute that for y.
3x-5 (-3x/5-1) = 5
Do the math ...
3x+3x+5=5
Add like terms ...
6x+5=5
Subtract 5 from both sides, then solve for x.
6x=0
6/6=0/6
x=0/6=0
So now that we know x=0, substitute 0 for x, then solve for y.
3 (0) - 5y=5
-5y=5
-5/5=5/-5
y=-1
Since x=0 and y=-1, the ordered pair is (0,-1)
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