9 + 8 + 7 + 6 + 5 + 4 = 39
5/4 plus 6 = 7 1/4
-3 + -7 + 5 + -4 + -6 = -15
9 + 8 + 7 + 6 + 5 + 4 + 3 = 42
==>-3p+7=5-8p+6 ==>5p+7=11 ==>5p=4 ==>p=4/5
7 + 5 + 4 + 5 + 3 + 4 + 6 + 5 + 4 + 5 + 6 + 4 + 7 = 65
79
-4 + 5 + (-7) = -6
-6 + 4 + (-5) = -7
It is: 7+6+5+4+3 = 25
4 + 5 + 6 + 7 + 8 + 9 = 39
9 + 8 + 7 + 6 + 5 + 4 = 39
5/4 plus 6 = 7 1/4
102
6 + 5 + -4 = 7
-3 + -7 + 5 + -4 + -6 = -15
9 + 8 + 7 + 6 + 5 + 4 + 3 = 42