解方程组x+1/3=2y 3(x+1)-y=16
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/16 09:16:57
解方程组x+1/3=2y 3(x+1)-y=16
解方程组x+1/3=2y 3(x+1)-y=16
解方程组x+1/3=2y 3(x+1)-y=16
整理得:
① x + 1 = 6 y
② 3 ( x + 1 ) - y = 16
把②代入①得:
3 × 6 y - y = 16
18 y - y = 16
17 y = 16
y = 16 / 17
代入①得:
x + 1 = 6 × 16 / 17
x = 96 / 17 - 1
x = 79 / 17
∴ x = 79 / 19 ,y = 16 / 17
二元一次方程组 2(X+Y)-(X-Y)=3 (X+Y)-2(X-Y)=1 解方程组二元一次方程组 2(X+Y)-(X-Y)=3 (X+Y)-2(X-Y)=1
利用图像解方程组解方程组2x-y=1,x+2y=3
解方程组:解方程组:|X+Y|=1|X|+2|Y|=3
解方程组{ 3x-4y(x-y)=3 { 2x-3y=1
解方程组,(x+y)^2-3(x+y)=0和x-y=1
解方程组解方程组{y=2x-7{x+y+z=1{3x-z=4
解方程组{(x-2)(y+3)=(x+1)(y-1) {(x+1)(y+1)=(x-1)(y+5)
解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12)
2x+2y-x+y=3;x+y-2x+2y=1 方程组的解
数学书解方程组{2(x+y)-(x-y)=3,(x+y)-2(x-y)=1
解方程组2(x-y)/3-x+y/4=-1 6(x-y)-4(2x-y)=16
解方程组:2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16
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)-2(x-y)=9,5(x+y)+2(x-y)=-1}
2(x+y)-3(x-y)=1 6(x+y)+7(x-y)=51 解方程组
解方程组﹛2(x+y)-3(x-y)=1 6(x+y)+7(x-y)=51
解二元一次方程组3(x+y)-4(x-y)=4 x+y/2+x-y/6=1
解方程组3(x+y)-4(x-y)=4和(x+y)/2+(x-y)/6=1kkkkkkkk