решите уравнение
а) х+6,75= -2,05
б) - 4,81-у=3,5
в)у-1/5= -8/15
г)

Проверьте в

x + 6.75 = -2.05x = -2.05 - 6.75x = -8.8======-4.81 - y = 3.5-y = 3.5 + 4.81-y = 8.31y = -8.31=====y - 1/5 = - 8/15y = -8/15 + 1/5y = -8/15 + 3/15y = -5/15y = -1/3 

а)х=-2.05-6.75х=-8.8б)у=-4.81-3.5у=-8.31в)у=-8/15+1/5у=-8/15+3/15у=-5/15=-1/3