解3.2X+2.2X=10.8
解3.2X+2.2X=10.8 -
解3.2X+2.2X=10.8 5.4x=10.8 x=10.8/5.4 x=2
解3.2X+2.2X=10.8 5.4x=10.8 x=10.8/5.4 x=2
解3.2X+2.2X=10.8 5.4x=10.8 x=10.8/5.4 x=2
解3.2X+2.2X=10.8 5.4x=10.8 x=10.8/5.4 x=2
3.2x十2.2x=10.8 5.4X=10.8 X=2
X=2, X=6 X=2, X=135
3.2x+2.2x=10.8 7x-3x=24 x+6.2x=14.4 x-0.84x=21.6 急 -
X=2,X=6 X=2,X=135
(3+a)×2=10.8 解(3+a)×2÷2=10.8÷2 3+a=5.4 3+a-3=5.4-3 a=2.4
2.8+3.2x=10.8怎么解方程 -
x=1/0.4 x=5/2
(x+3.2)x2=10.8 10.8÷2=(x+3.2)5.4-3.2 =2.2
(x+3.2)x2=10.8解方程 -
x+3.2=10.8/2 x=5.4-3.2 x=2.2
(1)x+3.2=10.83, x+3.2-3.2=10.83-3.2, x=7.63;(2)x÷13=20,x÷13×13=20×13, x=260;(3)9x-36-5x=5x-5x, 4x-36=0, 4x-36+36=0+36, 4x=36, 4x÷4=36÷4, x=9;(4)2.5×3-2x=0.5, 7.5-2x=0.5,是什么。