hasil dari 2/5×-1/2=1/4×+1

[tex] \frac{2}{5} x - \frac{1}{2} = \frac{1}{4} x + 1 \\ 20( \frac{2}{5} x - \frac{1}{2} = \frac{1}{4} x + 1) \\ 8x - 10 = 5x + 20 \\ 8x - 5x = 20 + 10 \\ 3x = 30 \\ x = \frac{30}{3} \\ x = 10 [/tex]

Maaf Kalau Salah