解方程组:(3x+2y)/3=(5x+3y)/4=-1
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/20 02:46:17
解方程组:(3x+2y)/3=(5x+3y)/4=-1解方程组:(3x+2y)/3=(5x+3y)/4=-1解方程组:(3x+2y)/3=(5x+3y)/4=-1(3x+2y)/3=-1=>3x+2y
解方程组:(3x+2y)/3=(5x+3y)/4=-1
解方程组:(3x+2y)/3=(5x+3y)/4=-1
解方程组:(3x+2y)/3=(5x+3y)/4=-1
(3x+2y)/3=-1 =>3x+2y=-3 (1)
(5x+3y)/4=-1 =>5x+3y=-4 (2)
(1)*3 -(2)*2得:
9x-10x=-9+8
-x=-1
x=1,代入(1)解得y=-3
(3x+2y)/3=(5x+3y)/4=-1
(3x+2y)=-3 (1)
(5x+3y)=-4 (2)
(1)*3-(2)*2得
9x+6y-10x-6y=-9+8
-x=-1
x=1
y=-3
解联立方程组 x/x+y=5/8 x/x+y+6=2/3
解方程组:{x+y=3,x-y=5
解方程组 y=2x x+y=3
解方程组3分之x-y=2分之 x+y解方程组3分之x-y=2分之 x+y;2x-5y=7
解方程组3x+5(x+y)=2 3y-2(x+y)=4
解方程组8y+5x=84y-3x=7 方程组 因式分解 4x^3-4x^2y-(x-y)
解分式方程组x+y/3-3/x-y=2 x+y/5+2/x-y=5
解方程组 X+Y/2+X-Y/3=6 4[X+Y]-5[X-Y]=2
解二元一次方程组{x+y/2+x-y/3=6,4(x+y)-2=5(x-y)
解方程组2分之x+y+3分之x-y=6 4(x+y)-5(x-y)=2
解方程组 {(x+y)/2+(x-y)/3=6 5(x+y)-2(x-y)=4
3(x+y)+2(x-y)=36 4(x+y)-5(x-y)=2 解方程组
解方程组 3(x+y)-2(x-y)=9,5(x+y)+2(x-y)=-1
解方程组 (x+y)^2-3(x+y)=54 (x-y)^2-5(x-y)=14
解方程组:{3(x+y)-2(x-y)=9,5(x+y)+2(x-y)=-1}
解方程组 {3(x+y)-4(x-y)=11 {2(x-y)+5(x+y)=27
解方程组 {3(x+y)-4(x-y)=11 {2(x-y)+5(x+y)=27全过程、快
解方程组{(x-2)(y+3)=(x+1)(y-1) {(x+1)(y+1)=(x-1)(y+5)