2.7(x+1.5)=8.642.7 (-1.7 + x)=0x=1.7
一、两边除以2.7，得x+1.5=3.2二、两边减去1.5，得x=1.7
x+1.5=3.2 x=1.7
2.7(x+1.5)=8.642.7x+4.05=8.64 2.7x=4.59 x=1.7
