Пошаговое объяснение:
1) (x + 4721) – 1142 = 5719 -> (x + 4721) = 5719 + 1142 ->
x + 4721 = 6861 -> x = 6861 - 4721 = 2140
2) (wc + 217) · 35 = 11 375 -> (wc + 217) = 11 375/35 ->
wc + 217 = 325 -> wc = 325 - 217 = 108
Пошаговое объяснение:
1) (x + 4721) – 1142 = 5719 -> (x + 4721) = 5719 + 1142 ->
x + 4721 = 6861 -> x = 6861 - 4721 = 2140
2) (wc + 217) · 35 = 11 375 -> (wc + 217) = 11 375/35 ->
wc + 217 = 325 -> wc = 325 - 217 = 108