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wbisbee17
wbisbee17 wbisbee17
  • 27-05-2015
  • Mathematics
Answered

​9/2=-10z-1/2(-10z+1)


​need it solved

Verified Answer :

cclemeno cclemeno
  • 27-05-2015

9/2= -10z-1/2(-10z+1)
multiply all terms by 2 to eliminate the fraction
9=-20z-(-10z+1)
remove ( ) distribute -1
9=-20z+ 10z-1
combine like terms
9= -10z -1
add 1 to both sides
10=-10z
divide by -10
-1=z

hope this helps

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