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Mathematics, 28.05.2020 04:01 mathman783

In the following expression, n is a rational number: -0.7(n+(-n))

Which expression below is equivalent to this expression?
A. -n(-0.7+(-0.7))
B. 0.7n+0.7n
C. -0.7n-0.7n
D. -0.7xn+(-0.7))

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