4. Решите уравнение: 1) (58 + x) – 23 = 96 2) 54 – (x – 19) = 35.

1)(58 + x) – 23 = 9658-23+x=9635+x=96x=96-35x=612)54 – (x – 19) = 35.54-x+19=35-x+73=35-x=35-73x=73-35x=38

1) (58+х)-23= 9658+х= 96 + 2358+х= 89х=89-58х=312)54-(х-19)=35х-19=54-35х-19= 19х=19+19х=38