2X+3=11-6x 2x-1=5x-7 3(y+4)=12
1个回答
(1)X=1
(2)X=2
(3)Y=0
相关问题
(1)7x-6=4x+6;(2)y+12=12y+2;(3)2(3x-1)-3(x+5)=1;(4)[x−1/4−2x+
(1)3/2x-1≤6/3x-4 (2) {3x+4y=11 5x-y=3 (3){x-3(x-1)≤7 1-3/2-5
(5x^2+6x-7)+[-4x^2-( )] =x^2+2x+1 (x^3-4x^2y+11xy^2-y^3)+()=
7.解方程.(1)X+5/6X=11/12 (2)4X-1/3X=11/10
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-(
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
解下列方程:5(x-5)+2x=-4.3(x-1)-2(2x+3)=0.4y-3(20-y)=6y-7(11-y).
4x15/2= 12/5x8= 3/1x4/1= 9/8x10= 6x12/11= 9/2x5/3= 14/6x9/7=
5-7x=2x-13(3x+16)/2=4x-7(5y-11)/7=(11y+3)/2127%x-17%=20%x+1/
1.4/7X—25+4/9X+15=X 2.X+5X/11+12=156 3.6—X=2/3*(8—X)