Реши уравнения.
x * 3 = 21;
15 : x = 5;
x − 17 = 46;
48 − x = 29;
x + 24 = 56;
37 + x = 70.
x * 3 = 21
x = 21 : 3
x = 7
15 : x = 5
x = 15 : 5
x = 3
x − 17 = 46
x = 46 + 17
x = 63
48 − x = 29
x = 48 − 29
x = 19
x + 24 = 56
x = 56 − 24
x = 32
37 + x = 70
x = 70 − 37
x = 33