You know that we have to simplify the algebra equation, so first you have to combine x and 2x. X + 2x equals to 3x. Now that we combined x and 2x which makes 3x, we have to do 7 and -8. 7 + -8 which equals to -1. Therefore, the answer to this algebra equation is 3x + -1.
The function is modulus cause the range of function consists of non-negative numbers with the same magnitude.so the second one is the answer
Answer:
how are you?
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Answer:
700 meters
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