Контрольные задания

Вопрос:

Фото задания: Решите уравнения: (x + 77) : 4 = 20; 4 · a − 7 = 17; (35 + a) : 5 = 9; x : 5 + 4 = 24; 72 : (32 − x) = 9; 42 − 12 : x = 40;…

Фото задания

Решите уравнения: (x + 77) : 4 = 20; 4 · a − 7 = 17; (35 + a) : 5 = 9; x : 5 + 4 = 24; 72 : (32 − x) = 9; 42 − 12 : x = 40; 56 − x · 1 = 0; (a + 41) − 50 = 14; 500 − (54 + x) = 100; x : 5 + 4 = 5; 68 − 3 · c = 59; 2000 − 10 · a = 0; 55 : (25 : x) = 11; (67 − x) + 1 = 61; 44 : a − 10 = 1; 455 − x : 5 = 444; (25 000 − c) + 0 = 0; 10 · x − 2 000 = 3 000; 27 : x + 180 = 189; 120 : (x + 1) = 4; (153 − x) : 50 = 3; 12 · (2 554 − x) = 120; 888 − 15 : x = 885.

(x + 77) : 4 = 20; x + 77 = 80; x = 3.
4 · a − 7 = 17; 4a = 24; a = 6.
(35 + a) : 5 = 9; 35 + a = 45; a = 10.
x : 5 + 4 = 24; x : 5 = 20; x = 100.
72 : (32 − x) = 9; 32 − x = 8; x = 24.
42 − 12 : x = 40; 12 : x = 2; x = 6.
56 − x · 1 = 0; x = 56.
(a + 41) − 50 = 14; a − 9 = 14; a = 23.
500 − (54 + x) = 100; 54 + x = 400; x = 346.
x : 5 + 4 = 5; x : 5 = 1; x = 5.
68 − 3 · c = 59; 3c = 9; c = 3.
2000 − 10 · a = 0; 10a = 2000; a = 200.
55 : (25 : x) = 11; 25 : x = 5; x = 5.
(67 − x) + 1 = 61; 67 − x = 60; x = 7.
44 : a − 10 = 1; 44 : a = 11; a = 4.
455 − x : 5 = 444; x : 5 = 11; x = 55.
(25 000 − c) + 0 = 0; 25 000 − c = 0; c = 25 000.
10 · x − 2 000 = 3 000; 10x = 5 000; x = 500.
27 : x + 180 = 189; 27 : x = 9; x = 3.
120 : (x + 1) = 4; x + 1 = 30; x = 29.
(153 − x) : 50 = 3; 153 − x = 150; x = 3.
12 · (2 554 − x) = 120; 2 554 − x = 10; x = 2 544.
888 − 15 : x = 885; 15 : x = 3; x = 5.