4-3×(2-X)=5X
2分之X=3X-1
1解:4-3*(2-X)=5X
4-6+3X=5X 解之得X=-1
2。解:X/2=3X-1
X=6X-2
解之得X=2/5
1.解; 4 - 3x2 + 3X = 5X , 2X = -2 , X = -1.
2.解; X/2 = 3X - 1, 5X = 2, X = 2/5.