(5*x+4)/3+(x-1)/4!=2-(5*x-5)/12
2个回答
∴4(5x+4)/12+3(x-1)/12=(5x-5)/12
∴20x+16+3x-3=5x-5
∴18x=18,x=1
相关问题
5x+4/3+x-1/4=2-5x+5/12
(1)5x- 1 4 ×8=10 (2)12x+1.5=5.1 (3)5.5x-1.3x=12.6 (4)5(x-2.8
X/12+5=4X/3 (3X+2)/4-(5X+1)/2=2 7X+5=6(X+1)
2/7x(-5/12)-5/7x5/12-5/3x1/4
3X+3[(12.5-4X)/3]=10.5 4X+3[(12.5-4X)/3]=12.5
简便计算:3.6x2.5 (12.4+4)x2.5 1.02x2.5 12.4x4x2.5 4.38x8.02+8.02
求未知数x的值(1)0.36×5-[3/4]x=[3/5](2)12.5-2x=4x+7.1(3)(2x+5):3=12
2(x+4)-3(5-2x)=12(x+1)+5解答
1)4x2-12x-1=0 (2)3x2+2x-3=0 (3)5x2-4x-12=0 (4)3x(x+2)=5(x+2)
5/12x-x/4=1/3 0.5x-0.7=6.5-1.3x 3(x-7)+5(x-4)=15 (y-1)/2=2-(