isolate the y
-3y=-18-x
y=-18/-3 -x/-3
y=6+x/3
2007-01-11 15:10:49
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answer #1
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answered by Sharp Marble 6
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Starting with
x-3y = -18
Subtract x from both sides:
-3y = -18 - x
Now, divide both sides from -3:
y = (-18/-3) - (x/-3)
Simplifying, that becomes:
y = 6 + (1/3)*x
Slope is 1/3 and intercept is 6.
2007-01-11 23:12:12
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answer #2
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answered by Iago 2
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the x would be the horizontal axis. The y will be the vertical axis.
here are the steps...
1. x - 3y = -18
2. -3y = -18 - x
3. 3y = -1 (-18 -x)
4. 3y = 18 + x ----> 3y = x + 18
5. y = (18 + x) / 3 which is the final answer
2007-01-11 23:15:03
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answer #3
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answered by LadyXSakura 3
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x-3y=-18 into the form of y=?
you have to get y by itself
subtract x from both sides: -3y = -18 - x
divide by -3: y = (-18-x)/-3
now you can split the fraction up into two frations:
y = -18/-3 - x/-3
see they have the same denominator and the same sign inbetween them.
now simplify: y = 6 + x/3
2007-01-11 23:11:23
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answer #4
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answered by rrossorr 3
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1) move variables around until you have only y's on the left
-3y = -x -18
2) divide both sides by the factor of y (in this case, -3)
(-3/-3)y = (-1/-3) + (-18/-3)
y = (1/3)x + 6
2007-01-11 23:12:31
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answer #5
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answered by Raymond 7
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You divide 3y and 18 by 3..
so then your equation is:
x-y=-6
your y intercept is 6
thats weird... Im doing the exact same thing in math right now!! I'm ini 7th grade!
2007-01-11 23:13:36
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answer #6
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answered by Anonymous
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x-3y=-18 subtract x from each side
-3y=-x-18 divide both sides by -3
y=x/3+6
2007-01-11 23:17:39
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answer #7
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answered by yupchagee 7
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x-3y=-18
-3y= -(18+x)
y= -(18+x)/-3
y=6+x/3
2007-01-12 02:23:56
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answer #8
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answered by Ms. M 3
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y = ( 18 - x ) / 3
2007-01-11 23:10:12
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answer #9
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answered by steve 6
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x-3y=-18
-3y=-18-x
-3y/-3=(-18-x)/-3
y=6+x/3
2007-01-11 23:11:56
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answer #10
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answered by 2Bs 3
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