4/5x-1/10x=7/8/ 5/16=3/4x+1/2x
1个回答
题目指代不清楚
若4/5x指(4/5)x
(1)
7/10x=7/8
x=5/4
(2)
5/4x=5/16
x=1/4
若4/5x指4/(5x)
(1)x=4/5
(2)x=4
相关问题
1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9
8x-3=9+5x.5x+2(3x-7)=9-4(2+x).[x−1/4−2x+16=1
3/5X-1/4X=7 8/11:10=4/5:X 3X-16×5=13 X:2/3=0.25:0.2
解下列方程 (1)2(x+5)=-4-x (2)6(7x+16)=7(8x-2) (3)3x-1=4x-(x-7) (4
(1)5+2x=1 (2)8-x=3x+2 (3)10x-3=9 (4)6x-7=4x-5 (5)1/2x-6=3/4x
有7x+2x=140 9.3x+5.7x=4.5 6x+3x=180 7x-5x=16 7.8x-2.4x=1.08 5
﹙1/2√x+3/4√4x^3-5/8√16x^5﹚*√x^3=
(1)8:7=16:X(2)X:12=5:4(3)X:3分之7=28:25(4)1.6:X=0.8:5
4X-1.8=4.8.2.5X-2.5=7.5.5X-1.8=4.3X+1.5=6.求X
3x3-1=8x1,5x5-3x3=16=8x2,7x7-5x5=24=8x3,9x9-7x7=32=8x4…… 你能发