解方程(3x+2y)/4=(2x+3y)/5=(x-1)/6
问题描述:
解方程(3x+2y)/4=(2x+3y)/5=(x-1)/6
答
同时*6015(3x+2y)=12(2x+3y)=10(x-1){45x+30y-24x-36y=0(1)24x+36y-10x+10=0(2)45x+30y-10x+10=0(3)}(3)-(2)21x-6y=0(4)(3)-(1)14x+36y+10=0(5)6*(4)+(5)126x+14x+10=0140x=-10x=-1/1421x=-3/2-3/2=6yy=-3/12=-1/4