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10-09-2015
Mathematics

contestada

Solve. x – 9 = –15 A. 6 B. –6 C. 24 D. –24

Respuesta :

10-09-2015

x - 9 = -15 (the opposite of -9 is to add 9 to each side)
+9 +9

x = -15 + 9

x = -6

The answer is B. -6

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