coriBuranahbae
coriBuranahbae coriBuranahbae
  • 04-08-2016
  • Mathematics
contestada

what is the value of z in the equation 2(4z − 6 − 6) = 170 − 46? 12.5 15.5 16.5 18.5

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dalendrk
dalendrk dalendrk
  • 06-08-2016
2(4z - 6 - 6) = 170 - 46

2(4z - 12) = 124    |use distributive property: a(b - c) = ab - ac

8z - 24 = 124      |add 24 to both sides

8z = 148      |divide both sides by 8

z = 18.5
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ksimpon ksimpon
  • 28-07-2018

the correct answer is 18.5 ya welcome

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