Решите уравнения. 1) (x-50,6)+2,15=42,9
2) 31,28-(m+4,2)=15,093

x-50,6+2,15=42,9
x-48,45=42,9
x=42,9+48,45
x=91,35
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31,28-m-4,2=15,093
27,08-m=15,093
m=27,08-15,093
m=11,987
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