Answers

2014-09-14T16:13:35+08:00
2(x + 5) = 16 - 4x 2x +10= 16-4x 2x+4x=16-10 6x=6 x=1
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2014-09-14T16:19:07+08:00
2(x+5)= 16-4x
2x+10=16-10
6x=6
x=1
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