解三元一次方程：二分之x+y+三分之x-y=63(x+y)-2（x-y）=24

Question

解三元一次方程：二分之x+y + 三分之x-y = 6 3(x+y)-2（x-y） = 24

Answer 1

二分之x+y + 三分之x-y = 6
3(x+y)+2(x-y)=36.(1)
3(x+y)-2(x-y )= 24.(2)
(1)+(2):
6(x+y)=60
x+y=10
x-y=3
x=6.5
y=3.5