Question

plz answer all of these question with solution

Answer 1

$5a - \frac{3}{4} = 2a - \frac{2}{3} \\ 5a - 2a = - \frac{2}{3} + \frac{3}{4} \\ 3a = \frac{ - 8 + 9}{12} \\ 3a = \frac{1}{12} \\ a = \frac{1}{12} \div 3 \\ a = \frac{1}{12} \times \frac{1}{3} \\ a = \frac{1}{36}$