8(x-5.6)=27.2 1.7x+0.5x=39.6
问题描述:
8(x-5.6)=27.2 1.7x+0.5x=39.6
答
8(x-5.6)=27.2
x-5.6=27.2÷8
x-5.6=3.4
x=9
1.7x+0.5x=39.6
(1.7+0.5)x=39.6
2.2x=39.6
x=18