解方程(用初一的解法)100-[1.8x+2.6(36-x)]=27.6+2

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解方程(用初一的解法)100-[1.8x+2.6(36-x)]=27.6+2解方程(用初一的解法)100-[1.8x+2.6(36-x)]=27.6+2解方程(用初一的解法)100-[1.8x+2.6

解方程(用初一的解法)100-[1.8x+2.6(36-x)]=27.6+2
解方程(用初一的解法)
100-[1.8x+2.6(36-x)]=27.6+2

解方程(用初一的解法)100-[1.8x+2.6(36-x)]=27.6+2
100-[1.8x+2.6(36-x)]=27.6+2
1.8x+93.6-2.6x=100-29.6
1.8x+93.6=70.4+2.6x
93.6-70.4=2.6x-1.8x
23.2=0.8x
23.2/0.8=0.8x/0.8
29=x

100-[1.8x+2.6(36-x)]=27.6+2
100-(1.8x + 93.6-2.6x)= 29.6
0.8x=23.2
x =29