问题标题:
【帮个忙哈给解个方程x(y+32)=126y+(x-1)11=32】
问题描述:
帮个忙哈给解个方程x(y+32)=126y+(x-1)11=32
李大生回答:
x(y+32)=126①
y+(x-1)11=32,则y=32-11(x-1)=43-11x②
②代入①,得x(43-11x+32)=126
则11x²-75x+126=0
则(11x-42)(x-3)=0
则x=42/11或x=3
x=42/11代入②,解得y=1
x=3代入②,解得y=10
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