1、解方程。 2x-16=5.6 2x-16+16=5.6 +16 2x=21.6 X=10.8 3.2x+1.5×2=12.6 3.2x+3=12.6 3.2x+3-3=12.6-3 3.2x=9.6 3.2x÷3.2=9.6÷3.2 x=3 5（x-2.5） =5.5 5（x-2.5）÷5 =5.5÷5 x-2.5=1.1 x-2.5+2.5=1.1+2.5 X=3.6 3.6（5-x）=7.2 3.6（5-x）÷3.6 =7.2 ÷3.6 5-x =2 5-x+x =2+x 5=2+x...
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