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Mathematics
Clelia
26 December, 18:05
2x+2y=4 y=12-3x
Substitution
+1
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1
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Elise
26 December, 21:39
0
2x + 2 (12-3x) = 4
2x + 2 x 12 + 2 x 3x = 4
2x + 24 + 6x = 4
6x + 2x = 8x
8x + 24 = 4
24/4 4/4
6 = 8x
x =.75
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