Question

f) Solve -3 (n-5) = -21​

Answer 1

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$- 3(n - 5) = - 21 \\ - 3n + 15 = - 21 \\ - 3n = - 21 - 15 \\ - 3n = - 36 \\ n = \frac{ - 36}{ - 3} \: \: \: \: \: \\ n = 12$

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hope it helps

Answer 2

• -3 (n-5) = -21
• -3n+15 = -21
• -3n = -21 - 15
• -3n = -36
• n = -36 / -3
• n = 12

Value of n = 12

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