<PRE><B>Question 661939</B>
126 - (-50) = 176 F
Edited to add
Difference indicates subtraction
Generally take the greater number and subtract the smaller to yield a positive difference
126 - (-50) yields a positive 
while (-50) - 126 yields a negative
Subtracting is akin to adding a negative just as subtracting a negative is akin to adding:
126 - (-50) is the same as 126 + 50 = 176
-50 - 126 is the sames as -50 + - 126 = -176
In this problem, setup is essential
greater number (126) minus lesser number (-50) to yield the difference.
After setup, compute according to rules
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