SOLUTION: wonder if i am at the right place if not please direct me tell me is this correct please (-12)+5-(-7)=-12+5+7=1-12+12=0 this is what my teacher say i cant make out how it goes than

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: wonder if i am at the right place if not please direct me tell me is this correct please (-12)+5-(-7)=-12+5+7=1-12+12=0 this is what my teacher say i cant make out how it goes than      Log On


   

Question 10294: wonder if i am at the right place if not please direct me tell me is this correct please (-12)+5-(-7)=-12+5+7=1-12+12=0 this is what my teacher say i cant make out how it goes thank you.
Answer by bonster(299) About Me  (Show Source):
You can put this solution on YOUR website!
(-12)+5-(-7)=-12+5+7=1-12+12=0

(-12)=-12
+5=+5
-(-7)=+7

so:
(-12)+5-(-7)
=-12+5+7
=-12+12
=0