sdas123
sdas123 sdas123
  • 21-02-2016
  • Mathematics
contestada

Help plz thanks in 1.

Help plz thanks in 1 class=

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Analee
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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