tiger2
tiger2
13-02-2015
Mathematics
contestada
4a - 5 + 2a + 9 =28
Respuesta :
chandislilly
chandislilly
13-02-2015
A= 4
I HOPE I HELPED PLEASE LEAVE THANKS
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ecumming
ecumming
13-02-2015
4a - 5 + 2a + 9 =28
+5 to both sides
4a+2a+9=33
-9 from both sides
6a= 19
divide both sides by 6
a=3.16 repeating
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