5x+0.3=7x-1.3怎么算?
问题描述:
5x+0.3=7x-1.3怎么算?
答
5X+0.3=7X-1.3
0.3+1.3=7X-5X
2.6=2X
X=1.3
5x+0.3=7x-1.3怎么算?
5X+0.3=7X-1.3
0.3+1.3=7X-5X
2.6=2X
X=1.3