解:解方程,此方程的解为x = 41/3 3(x + 3)= 50 3 × x + 3 × 3 = 50 3x + 9 = 50 3x = 50 - 9 3x = 41 x = 41 ÷ 3 x = 41 × 1/3 ∴x = 41/3 答:此方程的解为x = 41/3
3X+9=50X=41/3
X=41/3