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a) 
5N=0.01(N-76)

a) 5N=0.01(N76) 5 N=0.01(N-76)

Full solution

Q. a) 5N=0.01(N76) 5 N=0.01(N-76)
  1. Identify equation and distribute: Identify the equation and distribute the 0.010.01 to both terms inside the parentheses.\newline5N=0.01N0.01×765N = 0.01N - 0.01 \times 76
  2. Perform multiplication: Perform the multiplication 0.01×760.01 \times 76. 5N=0.01N0.765N = 0.01N - 0.76
  3. Subtract from both sides: Subtract 0.01N0.01N from both sides to get all NN terms on one side.\newline5N0.01N=0.765N - 0.01N = -0.76
  4. Combine like terms: Combine like terms on the left side.\newline4.99N=0.764.99N = -0.76
  5. Divide to solve for N: Divide both sides by 4.994.99 to solve for NN.\newlineN=0.764.99N = \frac{-0.76}{4.99}
  6. Perform division: Perform the division to find the value of NN.N0.1523N \approx -0.1523

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