5x+4x-24=66
1个回答
×(5+4)-24=66
×=10
相关问题
4X+5X=1281.66 4X+5X=1281.66 其中X为平均数
5(x-66)=30-4x 怎么算?
解〔5X+9(66-X)〕*82% =5X*85%+9(66-X)*80%
解方程 (1/4)x^2+(5/2)x-66=0
(5x*0.85+9(66-x)*0.8)/(5x+9(66-x))=1-0.18
X\(3\4X - 66)=9\4
4x(2.5+x)=24 x=?
3 x 6 = 27 4 x 9 = 52 6 x 5 = 66 2 x 23 =
5(x—5)+2x=-4 6(x—5)=-24
x-4=2X[1.5(x-4)-24]