Question

解方程组x+y/2-(x-y)/3=6,3乘(x+y)=4(x-y)

Answer 1

x+y/2-(x-y)/3=6,

3(x+y)-2(x-y)=36;

3乘(x+y)=4(x-y)

2(x-y)=36;

x-y=18;

x+y=24;

2x=42;

x=21;

y=3;

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