If: A+7 = -3 then A = -10
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Positive 4 -3 + 7= 4 Negative 3 plus positive 7 equals positive 4.
If I am correct, 9 plus 7 equals 112.
4x + 7 = 6x -7 14=2x so x = 7 (plus a negative # is simply - that number)
144 is the answer.2+3=10 which means 2+3=55*2=107+2=63 7+2=99*7=63now 9+7=? 9+7=1616*9=144
The answer is negative 3.