[40.5-(2.1+x)/0.3]*0.2=8.1
3个回答
[40.5-(2.1+x)/0.3]*0.2=8.1
[40.5-(2.1+x)/0.3]=40.5
(2.1+x)/0.3=0
2.1+x=0
x= -2.1
相关问题
5*3-x/2=8 0.273/x=0.35 1.8x=0.972 x/0.756=90 9x-40=5 x/5+9=2
求解. 40%x+1.2=4.8 X:12=0.7:2.8 x 4 = 3.5 1.5 .
(4x-1.5)/0.5-(5x-0.8)/0.2=(1.2-x)/0.1-3
1.5x+27=0.5x+40还有3(x-1.8)=2(x+1.6)
(5x-0.3)/0.4=(3x-1.2)/0.6-(1.8-8x)/1.2
解方程 【40.5-(2.1+X)/0.3】x0.2=6.1
3x1.8-0.6X=5.1 0.5(3+X)=6.2 X÷0.5-10+2=0
1/2x+3=1/3x+2 0.5x-0.7=6.5+0/2x 1-7/3x=2/3x+19 0.4x-1/4=8-1/
解方程 (0.1x+2)/0.3-(x-1)/0.5=1.2 2y/0.3-(1.4-3y)/0.2=-8/3
解方程5x-0.4/0.3 +1.3-3x/2 =1.8-8x/2