[5x-(4x-9)]/(4x-9) = 2/3
问题描述:
[5x-(4x-9)]/(4x-9) = 2/3
答
[5x-(4x-9)]/(4x-9)=2/315x-12x+27=8x-18-5x=-45 x=9看不懂😖
[5x-(4x-9)]/(4x-9) = 2/3
[5x-(4x-9)]/(4x-9)=2/315x-12x+27=8x-18-5x=-45 x=9看不懂😖