1*(72.45-X)=3.1X
3个回答
1*(72.45-X)=3.1X
72.45-X=3.1X
72.45=3.1x+x
4.1x=72.45
x= 17.6707
相关问题
(1/6x-45)-(1/6x+45)-(3x/45^2-9x^2)
3.1(x+1.6)/8=3.72
(3/5)/[(x/36+x/45)*(1+1/5)]+(2/5)/[(x/36+x/45)*(1+1/5)-50]=1
解方程3^x+3-3^2x+1=72
解方程(45+x)^1/3+(16-x)^1/3=1
5x+13x=3.6 3.6x-1.2x=72
x+3分之1x+3分之2x=72
78.1x54.3+45.45x78.1+78.1/4简便计算
x/72=45用方程计算
4X+3*0.7=6.52X/(1-0.72)=0.615(X+4)-28=123X-三分之一X=2-0.4217*45