解一元一次方程:3X-(2.4X+3)=2分之1(7.2+2)
问题描述:
解一元一次方程:3X-(2.4X+3)=2分之1(7.2+2)
答
3X-(2.4X+3)=2分之1(7.2+2) ==> 3x -2.4x - 3 = 3.6 + 1 ==> 0.6x = 7.6 ==> x =76/6 ==> x = 38/3
解一元一次方程:3X-(2.4X+3)=2分之1(7.2+2)
3X-(2.4X+3)=2分之1(7.2+2) ==> 3x -2.4x - 3 = 3.6 + 1 ==> 0.6x = 7.6 ==> x =76/6 ==> x = 38/3