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Answer:

Explanation:
→ We want to solve this equation:

◼ Simplify both sides:

◼ Subtract 64x from both sides:

◼ Simplify both sides:

◼ Divide both sides by -16:

◼ Simplify both sides:

Conclusion:
The solution of the equation 64(x-5) = 16(3x) is 20.