iancuvalentin20
iancuvalentin20 iancuvalentin20
  • 12-01-2017
  • Mathematics
contestada

calculati 200-(a x 4)=120

Respuesta :

peonywong20131
peonywong20131 peonywong20131
  • 12-01-2017
200-(a x 4)=120
200-120=a x 4
a= 80/4
a=20
Answer Link
SiobhanSullivan
SiobhanSullivan SiobhanSullivan
  • 12-01-2017
 200-(ax4)=120
-200         -200
          -ax4=-80
             /4    /4
              -a=-20

               A=20
Answer Link

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