eezraah eezraah

05-10-2020
Mathematics

contestada

evaluate y 9-(-9) =?

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jackiejackson53 jackiejackson53

05-10-2020

Answer: 18

Step-by-step explanation:

when there is a in front of an expression in parentheses change the sign of each term in the expression. 9+9=18 so ANSWER 18

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