Answer:
-2
Step-by-step explanation:
60/2=6-2n
10=6-2n
6-2n=10
-2n=10-6
-2n=4
n=4/-2
n=-2
He is not correct because 3+7=10 and not 9
Answer:
A
Step-by-step explanation:
Hello,
360-(40+80+110)=360-230=130(°)
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1/3minus5/6 is equal to negative 9 over 6 and negative 9/6 divided by 5/6= negative 9/5
