4.5x=2.5x+3.8
问题描述:
4.5x=2.5x+3.8
答
4.5x=2.5x+3.8
4.5x-2.5x=3.8
2x=3.8
x=1.9
4.5x=2.5x+3.8
4.5x=2.5x+3.8
4.5x-2.5x=3.8
2x=3.8
x=1.9