sdas123
sdas123
21-02-2016
Mathematics
contestada
Help plz thanks in 1.
Respuesta :
Analee
Analee
21-02-2016
-15x-12=9x-18
+15x +15x
-12=24x-18
+18 +18
6=24x
÷6
4=x
15(4)-12=9(4)-18
48>18
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