1/5(X+12)=1/7(X-8) 答案是-62 2--x+2/5=X--1/2 2X-1/3 - 2-x/4=1 答
1个回答
7(X+12)=5(X-8)
2X=-40-84
2X=-124
X=-62
相关问题
-1/3(6-5x)=8x-2 / 2=2x+3 / 5x+1 /2 - x-1 / 4 =12/7(3x+7)=2 -
1/4x-1/2=3/4;7x-5/4=3/8;2x-1/6=5x+1/8;1/2x-7=9x-2/6;1/5x-1/2
1:1/2x-7=9x-2/62:1/5x-1/2(3-2x)=13:2x+1/3-5x-1/6=14:1/7(2x+1
1.8+x=2 x=?x-7.5=2.5 x=?1.2x=4.8 x=?x/0.5=12 x=?x+1.2=9.6 x=
X/12+5=4X/3 (3X+2)/4-(5X+1)/2=2 7X+5=6(X+1)
2/1 X 3/1 +12/5 X 2/1 5/4 X7/5 -2/1 (6+15/2)X5
解方程;x+2/11=2/3 x-2/3=1/5 x+1/3=1/2+1/6 x-5/12=3/8 4/7-x=1/3
1.解方程8x-12.4=16(x-2.4) 5.2x-1.3×12=15.62.
1/2[X-1/2(X-1)]=2/3(X-1) 4/3[3/2(X/2-1)-3]-2X=3 7X-12(5/3X-1