2x+34-5x=25
1个回答
2x+34-5x=25
34-3x=25
3x=34-25
3x=9
x=3
相关问题
34-5x=25-2x 怎么验算?
2(x/5)=2.5 7.5+25x=10 34x-18*3=24.2 求x等于多少?
(1)(1-25%)x=72 (2)x-40%x=5.04 (3)x÷(1-40%)=3.6 (4) 34 x-25%x
1.(1+百分之25)x=5/8(八分之五)2.3x+4(9-x)=34
10x+5x+2(34-2x)=178
-13X2/3-0.34X2/7+1/3X(-13)-5/7X0.34=
求未知数X 7X-434 =2.25 X - 14 X=6 和 7X-4/34 =2.25 X - 14 X=6 急解,
求未知数x.(1)2x+2.5=3.2 (2)[1/5x:34=5
x/x^2-25-5/x^2+10x+25