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0.2+2.1m=46
We move all terms to the left:
0.2+2.1m-(46)=0
We add all the numbers together, and all the variables
2.1m-45.8=0
We move all terms containing m to the left, all other terms to the right
2.1m=45.8
m=45.8/2.1
m=21+1/1.2352941176471
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