simplify -5+8-7 = simplify -12-7+9= simplify 9-13+8= simplify 7-15-3=

Answer 1

-5 + 8 - 7 = -4
-12 - 7 + 9 = -10
9 - 13 + 8 = 4
7 - 15 - 3 = -11