Answers

2014-08-30T11:43:38+08:00
Sum of X,Y,Z,=X+Y+Z
times 3=
3(X+Y+Z)
or
3X+3Y+3Z
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2014-08-30T11:54:25+08:00
X,y,z = x+y+z
The answer is 3x+3y+3z.
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