5 per 2x-7 ditambah 3 per 2=0

[tex]\frac{5}{2 \times + 7} + \frac{3}{2} = 0 \\ \frac{5}{2 \times + 7} - \frac{3}{2} \\ 10 = - 3(2 \times - 7) \\ 10 = - 6 \times + 21 \\ 6 \times = 21 - 10 \\ 6 \times = 11 \\ \times = \frac{6}{11} [/tex]
moga benar sobat