3x+1/8 + x/2=11/4
5个回答
3x + 1/8 + x/2 = 11/4
3x + x/2 = 11/4 -1/8
7/2x = 21/8
x = 3/4
相关问题
3/4-8x=3-2/11x
3/4-8X=3-2/11X
以下长度如何换算成厘米?11" x 8-1/2" x 5-1/2" 11-1/4" x 8-3/4" x 6" 13-5
2-{3-[4-(5x-1)-8x]-20x}+7x=11
2x+8.4 6.3一4.8x 3(x一|.2)=11.4 5.5-1.7x2=13.|
(1) 3x^3-2x-1 (2)x^3+6x^2+11x+6 (3)x^4+2x^3-9x^2-2x+8 (4) (x
1)X^2+4X+8=4X+11 2)X(2X
(x+11.8):9.6=16:12 2.x-2分之8.4=10/16.8 3.61/4:(x/2)=1/3:1
①7x=6x﹢4②2x+3=11‐6x③3.4x‐9.8=1.4x﹢9④4x‐3﹢3x=6x‐2
解方程:(1)4x²-6x-3=0 (2)x²+4x-9=2x-11 (3)x(x+4)=8x+12