Respuesta:
b) 3(-x) = 3³
-x= 27/3
-x= 9
x= -9
c) x. √121= 77
x.11= 77
x= 77/11
x= 7
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Verified answer
Respuesta:
b) 3(-x) = 3³
-x= 27/3
-x= 9
x= -9
c) x. √121= 77
x.11= 77
x= 77/11
x= 7