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What value of z is a solution to this equation? {:[7z=63],[z=7quad z=9]:}

What value of zz is a solution to this equation?\newline7z=637z=63\newline z=7z=7 And z=9z=9

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Full solution

Q. What value of zz is a solution to this equation?\newline7z=637z=63\newline z=7z=7 And z=9z=9
  1. Divide by 77: Divide both sides of the equation by 77 to isolate zz.7z7=637\frac{7z}{7} = \frac{63}{7}
  2. Calculate division: Calculate the division on both sides. z=9z = 9

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