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Solve for jj.\newline−7j−14j+9=−12-7j - 14j + 9 = -12\newlinej=j = __

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Full solution

Q. Solve for jj.\newline−7j−14j+9=−12-7j - 14j + 9 = -12\newlinej=j = __
  1. Combine like terms: Combine like terms, which are the terms with jj.\newline−7j−14j+9=−12-7j - 14j + 9 = -12\newline(−7−14)j+9=−12(-7 - 14)j + 9 = -12\newline−21j+9=−12-21j + 9 = -12
  2. Isolate the term: Isolate the term with jj by subtracting 99 from both sides of the equation.\newline−21j+9−9=−12−9-21j + 9 - 9 = -12 - 9\newline−21j=−21-21j = -21
  3. Divide to solve: Divide both sides by −21-21 to solve for jj.−21j/−21=−21/−21-21j / -21 = -21 / -21j=1j = 1

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