解方程2(x-y)∕3=x+y∕4+1,6(x+y)=4(2x-y)+16

2025-02-02 18:59:23
推荐回答(2个)
回答1:

2(x-y)∕3=x+y∕4+1
8(x-y)=3(x+y)+12
5x-11y=12 1)
6(x+y)=4(2x-y)+16
2x-10y=-16
x-5y=-8 2)
2)×5-1),得
-14y=-52
y=26/7
代入2),得
x=74/7

回答2:

X=20/3
Y=44/3