3.2×(X+1.5)=8.64
3.2×(X+1.5)=8.64
36-(3x-10)=x-2x 3.2x=14.2-1.5x
2(x-7.5)=1.5x
(1)6+2(x-3)=X (2)8-2(x-7)=x-(x-4) (3)2x-(1.5x-1)=2(1.5x-1)
x+17=3(x+13),2x-11.2=0.6x,2.5x-2.17=21.9-5.8x,8(x-1.5)=x+0.6
5x+3.2x=32.8. 7.9x2-1.5x=5.3. 5x+2.4×1
6x-2x=0.72 5x+3x=3.2×2(过程仔细)
12X=8(X+1) 9.8-2.4X=3.2X+4.2解方程
1.5x×10+x-(10x+1.5x)=18 解方程
4x-x=24 1.5x-x=1 3.2x-1=63 6.6x-5x=8
(1)1000*1.5^5-1.5x^4-1.5x^3-1.5x^2-1.5x-x>=2000
若1+x+x*x+x*x*x=0,求x+x*x+x*x*x+.+x(2000次幂)