1.8-8x/1.2=5x-0.4/0.3+1.5
问题描述:
1.8-8x/1.2=5x-0.4/0.3+1.5
答
两边乘以1.2
1.8-8x=4(5x-0.4)+1.8
-8x=20x-1.6
20x+8x=1.6
28x=1.6
x=1.6÷28
x=2/35