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mjchey
mjchey mjchey
  • 24-04-2014
  • Mathematics
Answered

What is the solution to the equation? 1 minus z/5=9 Answers: A. z = 50   B. z = 44   C. z = –2   D. z = – 40

Verified Answer :

xlmichael xlmichael
  • 24-04-2014

\(1 - \frac{z}{5} = 9\)

add \(\frac{z}{5}\) to both sides.

\(1 = 9 + \frac{z}{5}\)

subtract 9 to both sides.

\(-8 = \frac{z}{5}\) 

multiply 5 to both sides.

\(-40 = z\)

Your answer is D) z = -40

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