Assignment: 
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Answer: 
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Explanation: 
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Note: 
[ Step One ] Apply Rule - (-a) = a

[ Step Two ] Add

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Answer:
80/14=5.7 OR 5 14 IN.
Step-by-step explanation:
Answer:
the answer is 7
Step-by-step explanation:
Add the same term to both sides of the equation
-x=7x-56
−x=7x−56
−x−7x=7x−56−7x
Answer:
2.48
Step-by-step explanation:
Answer:
Neither.
Step-by-step explanation:
You can only add exponents when multiple, or subtract when dividing.
Also, 2x^3 and 2x^2 are two different terms, not like terms, so cannot subtract the two.