Решить 1)84,7:(х+2,7)=11 2)8,65+3,45):х=-5 3)у+1,6)*(-12)=76,8

1)84,7:(х+2,7)=11 11(x + 2.7) = 84.711x + 29.7 = 84.711x = 84.7 - 29.711x = 55x = 55/11x = 52)(8,65+3,45):х=-5 -5x = 12.1x = -12.1/5x = -2.423)(у+1,6)*(-12)=76,8-12y + 19.2 = 76.8-12y = 76.8 - 19.2-12y = 57.6y = -57.6/12y = -4.8