2x+1.5=4.3 5x-8=12.5 18+4x=21.6
问题描述:
2x+1.5=4.3 5x-8=12.5 18+4x=21.6
答
2x+1.5=4.3
2x=2.8
x=1.45x-8=12.5
5x=20.5
x=4.118+4x=21.6
4x=3.6
x=0.9