Order them from least to greatest
C is your answer e cause u supposed to multiple
68-40=28
28/4=7
therefore, 7 is your answer
(Hope it helps my friend ^_^)
I got X=11
Minus 7x on both sides
The equation the becomes :
-2x +179=157
Subtract 179 from both sides
Equation now is:
-2x= -22
Divide -2 on both sides
X= 11
The compass will lose its magnetic properties