81,5x=-7,4-0,75
81,5x=-8,15
x=-0,1
81,5*х+ 3/4 = -7 2/5 81,5*х+ 3/4 = -37/5 81,5*х+ 3/4 = -7.4 81,5*х+0.75 = -7.4 81,5*х=-8.15 х=-0.1
81,5x=-7,4-0,75
81,5x=-8,15
x=-0,1
81,5*х+ 3/4 = -7 2/5
81,5*х+ 3/4 = -37/5
81,5*х+ 3/4 = -7.4
81,5*х+0.75 = -7.4
81,5*х=-8.15
х=-0.1