7+(x-3y)/4=2x-(y+5)/3,[10(x-y)-4(1-x)]/3=y帮解一下啊!

学习时间:2026-08-24 18:24:13 阅读：8147

7+(x-3y)/4=2x-(y+5)/3,[10(x-y)-4(1-x)]/3=y帮解一下啊!7+(x-3y)/4=2x-(y+5)/3,[10(x-y)-4(1-x)]/3=y

最佳回答

粗犷的香氛

2026-08-24 18:24:13



7+(x-3y)/4=2x-(y+5)/3[10(x-y)-4(1-x)]/3=y去分母7*12+3(x-3y)=12*2x-4(y+5)10(x-y)-4(1-x)=3y整理得：21x+5y=10414x-13y=4①*2 ②*3得42x+10y=20842x-39y=12解得 y=4 x=4③④⑤

7+(x-3y)/4=2x-(y+5)/3,[10(x-y)-4(1-x)]/3=y帮解一下啊!

最佳回答

最新回答共有2条回答

轻松的小蘑菇

热门文章

猜你喜欢