解方程组:{2x-1/5+3y-2=2 {3x+1/3-3y+2/4=4/3

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解方程组:{2x-1/5+3y-2=2{3x+1/3-3y+2/4=4/3解方程组:{2x-1/5+3y-2=2{3x+1/3-3y+2/4=4/3解方程组:{2x-1/5+3y-2=2{3x+1/3

解方程组:{2x-1/5+3y-2=2 {3x+1/3-3y+2/4=4/3
解方程组:{2x-1/5+3y-2=2 {3x+1/3-3y+2/4=4/3

解方程组:{2x-1/5+3y-2=2 {3x+1/3-3y+2/4=4/3
2x-1/5+3y-2=2
两边乘5
2x-1+15y-10=10
2x+15y=21 (1)
3x+1/3-3y+2/4=4/3
两边乘12
12x+4-9y-6=16
4x-3y=6 (2)
(1)+(2)×5
22x=51
x=51/22
y=(4x-6)/3=12/11