tolong di bantu ya cuman satu soal ya

isinya yang a. 10
maaf kalo salah

[tex] \frac{1}{4} x + 5 = \frac{1}{2} (2x - 5) \\ \frac{1}{4} x + 5 = x - \frac{5}{2} \\ 4 \times \frac{1}{4} x + 4 \times 5 = 4x - 4 \times \frac{5}{2} \\ x + 20 = 4x - 2 \times 5 \\ x + 20 = 4x - 10 \\ x - 4x = - 10 - 20 \\ - 3x = - 30 \\ x = 10[/tex]