【❤】解方程组.(y+1)/4=(x+2)/3,2x-3y=1.如题.
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【❤】解方程组.(y+1)/4=(x+2)/3,2x-3y=1.如题.
【❤】解方程组.(y+1)/4=(x+2)/3,2x-3y=1.
如题.
【❤】解方程组.(y+1)/4=(x+2)/3,2x-3y=1.如题.
(y+1)/4=(x+2)/3,(1)
2x-3y=1 (2)
由(1),得
3y-4x=5 (3)
(2)+(3),得
-2x=6
x=-3
y=-7/3