3/4x+1/4=5/6
同时乘以12,得
9x+3=10
9x=7
x=7/9
超详细过程
3/4 X+1/4=5/6
3/4 X=5/6 - 1/4
3/4 X=10/12 - 3/12
3/4 X=7/12
X=7/12 * 4/3
X=7/3 * 1/3
X=7/9
等于9分之8
4/3x+4/1=6/5
4/3x*4+4/1*4=6/5*4
3x=3/10-1
3x=3/7
x=7/9
3/4x+1/4=5/6
9x+3=10
9x=7
x=7/9