Номер 565

1) 7(x - 19) = 133;
x - 19 = 133 : 7;
x - 19 = 19;
x = 19 + 19;
x = 38.

2) 9(213 - 2x) = 927;
213 - 2x = 927 : 9;
213 - 2x = 103;
2x = 213 - 103;
2x = 110;
x = 55.

3) 1344 : (x + 26) = 32;
x + 26 = 1344 : 32;
x + 26 = 42;
x = 42 - 26;
x = 16.

4) 384 : (51 - 5x) = 24;
51 - 5x = 384 : 24;
51 - 5x = 16;
51 - 16 = 5x;
35 = 5x;
x = 7.