Х+(-4)=-0.44;39,45+х=-50,31;х+32 дробь 5\12 =30 дробь 1\6
1)х-4=-0,44 2)х+39,45=-50,31 3)х+32 5/12=30 1/6 х=3.66 х=-89,76 х=-2,25