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-12 + 6 - 10 - 6 +15 = -7
-3 + -12 = -15
-15
15
It is: 15+(-32) = -17
X2+Y3+15 All you can do is simplify it.
divide by 3
-27
12/45 = 4/15
Yes - it simplifies to 15/12
12 + 15 + 63 + 12 + 24 + 34 + 23 + 15 = 198