应用题 (8 20:35:3)10x/-17-20x/3=1
问题描述:
应用题 (8 20:35:3)
10x/-17-20x/3=1
答
原式可化为-(10X/17+20X/3)=1
通分得30X/51+340X/51=-1
370X/51=-1
370X=-51
X=-51/370