4又3分之2X-12×3=14
14/3x-36=14
14/3x=50
x=50*3/14
x=75/7(7分之75)解方程:X÷1又5分之1=6.4X-9分之4X=4.5÷2又7分之1X÷1又5分之1=6.4 x÷6/5=32/5x=32/5*5/6x= 16/3(3分之16) X-9分之4X=4.5÷2又7分之15/9x=9/2*7/155/9x=21/10x=21/10*9/5x=189/50(50分之189)