2(X-4)=3(X-12) 2x-8=3x-36 x=28

问题描述:

2(X-4)=3(X-12) 2x-8=3x-36 x=28

2(X-4)=3(X-12)(利用乘法分配律)
2x-8=3x-36 (移项)
3x-2x=36-8
x=28