-(5.7-2.9х)-(3.8х-3.7)=-4.9x

Question

-(5.7-2.9х)-(3.8х-3.7)=-4.9x

Answer 1

-(5.7-2.9x)-(3.8x-3.7)=-4.9x  умножаем на 10 и раскрываем скобки

-57+29x-38+37=-49x 
29x+49x=57+38-37
78x=58
x=58/78 делим на 2
x=29/39