3x+2y/4 = x+5y/-3 = 2x+y+2/5
用适当方法解此方程组。、
人气：441 ℃ 时间：2020-02-20 22:33:15
解答
3x+2y/4 = x+5y/-3 = 2x+y+2/5
3x+2y/4 = x+5y/-3 x=5y/-6 -y/4=-13y/12
x+5y/-3 = 2x+y+2/5 x+5y/-3=y+2/5 x=y+5y/3+2/5=8y/3+2/5
8y/3+2/5=-13y/12
15y/4=-2/5
y=-8/75
x=26/225
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