Answers

2014-10-13T21:34:55+08:00
Z        3z minus 7

2z+3z minus 7 = 18
5z minus 7 = 18
5z = 25
z = 5

First Number is 5
Second is 3(5) minus 7 = 15 minus 7 = 8
0
: thank you , whats the formula .. ?? Sorry dont get it ..
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