0.02分之0.1X+0.08加8=2
两边乘0.02
0.1x+0.08+0.16=0.04
0.1x=0.04-0.08-0.16
0.1x=-0.2
x=-2
0.3分之1.7-2X=0.7分之X-1
两边乘2.1
7(1.7-2x)=3(x-1)
11.9-14x=3x-3
17x=14.9
x=149/170
4X+3=2(X-1)+1
4x+3=2x-2+1
4x-2x=-2+1-3
2x=-4
x=-2
0.02分之0.1X+0.08加8=2
两边乘0.02
0.1x+0.08+0.16=0.04
0.1x=0.04-0.08-0.16
0.1x=-0.2
x=-2
0.3分之1.7-2X=0.7分之X-1
两边乘2.1
7(1.7-2x)=3(x-1)
11.9-14x=3x-3
17x=14.9
x=149/170
4X+3=2(X-1)+1
4x+3=2x-2+1
4x-2x=-2+1-3
2x=-4
x=-2