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Charlee Keith
Mathematics
11 August, 00:53
15x-3y=12
Y=5x-4
4x-y=-4
-8x+2y=2
+1
Answers (
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Roberto
11 August, 01:19
0
15x-3y=12
y=5x-4
I'm also not sure what your question is, but this is what I got by solving it like a regular equation.
15x-3 (5x-4) = 12
15x-15x+12=12
0=12-12
0=0
4x-y=-4
-8x+2y=2
-y=-4-4x / : (-1)
y=4+4x
-8x+2y=2
-8x+2 (4+4x) = 2
-8x+8+8x=2
0=-6
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