x-0.2(x+8)=0
1个回答
x-1/5*x-8/5=0
4/5*x=8/5
x=2
相关问题
0.625x...(8个0.625)x0.625x8x...(7个8)x8x2x2x...(6个2)x2
x+8/0.2-x-3/0.5=2+0.2x+0.7/0.01
0.5X0.8X0.2X1.25X0.4X2.5
解方程0.1X+0.3X+0.8分之0.2+0.3X=8
解方程.0.1X+0.3X+0.8分之0.2+0.3X=8
0.2x+0.8=8-8x除以5
①x2-8x-7=0②x2+14x-15=0③t2-(2/3)t-(8/9)=0④4(x+3)2-9(x-2)2=0
(1) x/0.2-1=2x-0.8/0.3 (2) 0.4x+0.9/- 0.03+0.02x/0.03=x-5/2
0.5x-2=0.8(2x-1.