x/(x-120)=12解出来X等于几?急死了~
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x/(x-120)=12解出来X等于几?急死了~
We have math ( )Friday morning.
A.on B.in
We have math ( )Friday morning.
A.on B.in
![x/(x-120)=12解出来X等于几?急死了~](/uploads/image/z/8031818-2-8.jpg?t=x%2F%28x%EF%BC%8D120%29%3D12%E8%A7%A3%E5%87%BA%E6%9D%A5X%E7%AD%89%E4%BA%8E%E5%87%A0%3F%E6%80%A5%E6%AD%BB%E4%BA%86%7E)
x/(x-120)=12
x=12(x-120)
x=12x-12*120
11x=1440
x=1440\11
x=12(x-120)
x=12x-12*120
11x=1440
x=1440\11