Seudónimo Seudónimo

05-03-2017
Mathematics

contestada

Solve for the variable.
-7 + x = 12
A. -19
B. -5
C. 5
D. 19

Respuesta :

05-03-2017

7-7=0
+ 12
so 12+7 =19, therefore, its D (:

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Chris0221 Chris0221

05-03-2017

D.
-7+x=12
-7+x+7=12+7 (Isolate X)
X=19 (Sevens Cancel)

Answer Link

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