Question

2(2x+1) – 30% of (5x-2) = 76​

Answer 1

Answer:

$2(2x \: + 1) - \frac{30}{100} \times (5x - 2) = 76 \\ (4x + 2) - \frac{30}{100} \times (5x \: - 2) = 76 \\ 4x + 5x = 76 - 2 + 2 + \frac{30}{100} \\ 9x \: = 76 + \frac{3}{10} \\ 9x = \frac{760}{10} + \frac{3}{10} \\ 9x = \frac{763}{10 } \\ x = \frac{763}{10} \div 9 \\ x = \frac{763}{10} \times \frac{1}{9} \\ x = \frac{763}{90} \\ x = 8.48$

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