leannaadrian
leannaadrian leannaadrian
  • 11-04-2018
  • Mathematics
contestada

Can anyone help me with this. It asks to solve and check your answer.

Can anyone help me with this It asks to solve and check your answer class=

Respuesta :

mkryukova19 mkryukova19
  • 11-04-2018
4m-21=3(5m-1)
4m-21=15m-3
-21+3=15m-4m
-18=11m
m= - 18/11
 
check
4*(-18/11)-21=3(5*(-18/11)-1)
-72/11-(21*11)/11=3(-90/11-11/11)
-72/11-231/11=3*(-101/11)
-303/11≡ -303/11 true,

so
m= - 18/11 is a solution

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