indianyla
indianyla
13-10-2017
Mathematics
contestada
First step to solve the equation 9h-21=99
Respuesta :
erinerin418
erinerin418
13-10-2017
9h-21=99
+21 +21 add 21 to both sides
9h= 180
/9 /9 divide 9 by both sides
h= 13.3~
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