Answers

2014-01-16T21:14:10+08:00
X + 1/5(x+1) + 3/2(x+2) = 33
x + 1/5x + 1/5 + 3/2x + 3 = 33
x + 1/5x + 3/2x = 33 - 1/5 - 3
17/10x = 28
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