2.3+5X=3.8解方程
2.3+5X=3.8解方程 -
解5x=1.5 X=0.3
8x=16.8x=2.1
解5x=1.5 X=0.3
8x=16.8x=2.1
回答:╮(╯▽╰3.8-12╮╯▽╰)╭÷5=-1.64
(1)12.3-5x=3.8 12.3-5x+5x=3.8+5x 12.3-3.8=3.8+5x-3.8 8.5÷5=5x÷5 x=1.7(2)x+512=1 x+512-512=1-512 x=712 (3)x-56=16 x-56+56=16+56 x=1
40-5x=3.8解方程? -
40-5x=3.8 -5x=3.8-40 -5x=-36.2 x=7.24
解:16x0.5-5x=2.3 8-5x=2.3 5x=8-2.3 5x=5.7 x=5.7÷5 x=1.14
5x-2.3×3=3.6解方程? -
解:5x-2.3×3=3.6 5x-6.9=3.6 5x=6.9+3.6 5x=10.5 x=2.1
2/5X=3/8 解:等号两边同时除以未知数X的系数2/5。得:X=3/8÷2/5=3/8x5/2=15/16
2+1.8-5x=3.6 解方程: -
2+1.8-5x=3.6 解:3.8-5x=3.6 5x=3.8-3.6 5x=0.2 x=0.2÷5 x=0.04
3(2.5+x)=18 2.5+X=18÷3 x=6一2.5 x=3.5 3X+3.6=5X 5X一3X=3.6 2x=3.6 x=3.6÷2 x=1.8