- - = + 9-(-4)= 9+4 so minus minus becomes plus. and 13 is the answer.
Answer:
Step-by-step explanation:
Answer:
I think it's
B. UV radiation from the Sun causes overheating of transformers.
Sorry if i'm wrong.
Answer:
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Option B is the correct option.
Step-by-step explanation:

Apply cross product property
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Distribute 5 through the parentheses
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Multiply the numbers
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Move 5 to right hand side and change it's sign
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Add the numbers
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Divide both sides of the equation by 5
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Hope I helped!
Best regards!!