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5-(-5)+(-800)+710

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Answer to a math question 5-(-5)+(-800)+710

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Apply rule $-(-a) = +a$

$=5+5+(-800)+710$

$5+5=10$

$=10+(-800)+710$

Apply rule $+(-a) = -a$

$=10-800+710$

$10-800=-790$

$=-790+710$

$-790+710=-80$

$=-80$

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5-(-5)+(-800)+710

Answer to a math question 5-(-5)+(-800)+710

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