-4x - 6y = - 24
4x - 2y = 8----------Add
- 8y = - 16
y = 2
2x + 6 = 12
x = 3
x = 3 , y = 2
2007-11-01 08:29:14
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answer #1
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answered by Como 7
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For 2z+3y=12 The coordinates are found by coming up with numbers to satisfy the equation. Plug 0 in for each variable
2(0)+3y=12, 3*4=12 so the first point on the line is (0,4). Now do the same for y, reesulting in 2x=12, 2*6=12 so another point would be (6,0), So from these points you caan derive that the slope is (6, -4). So plot these two points and then add 6 to x and subtract 4 from y to get another point on the line, and to get points going the other way on the line subtract 6 from x and add 4 to Y. Since lines are infinite this can go on forever...Do the same with the other equation.
2007-11-01 06:51:40
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answer #2
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answered by chadzappia 2
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2x+3y=12 ....(1)
4x-2y=8........(2)
4x+6y=24....(1) X 2...(3)
solving (2) and (3)
8y=16
y=2
substituting in (1)
4x-2x2=8
4x=8+4=12
x= 3
(x,y) the point of intersection of the above 2 lines is (3,2).
2007-11-01 06:52:10
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answer #3
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answered by kbk_murthi 4
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i'm assuming you're referring to two seperate problems
just plug in numbers for x in each one
ex. 2(1) + 3y = 12
now solve for y to get the y coordinate (1,y)
2007-11-01 06:42:30
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answer #4
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answered by Anonymous
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2016-10-03 02:38:50
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answer #5
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answered by ? 4
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