求12.5x-0.75x+3=7.3-1.5x的解
问题描述:
求12.5x-0.75x+3=7.3-1.5x的解
答
11·75X+3=7·3-1·5X
11·75X+1·5X=7·3-3
13·25X=4·3
X=0·325