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2007-10-16 12:16:40 · 1 answers · asked by kodakboi 1 in Science & Mathematics Mathematics

1 answers

4x+20=x+5x+20-2x
4x=20-20=4x+20-20
0x=0

2007-10-16 12:25:48 · answer #1 · answered by Dave aka Spider Monkey 7 · 0 0

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