When u add it stays the same but for subtraction u change the sign.
Example: 2- (-5)=7
Answer:
-1
Step-by-step explanation:
sub in the values of x, y and z into the equation
you get:
(-3)(-4)/(-2)(6)
= 12/-12
= -1
Answer:
<em>Answer is </em><em>given below with explanations</em><em>. </em>
Step-by-step explanation:

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Answer:
A
Step-by-step explanation: