Решите уравнение x+325=87, 817-x=107, 5555-x=74, 2x+87=93, 3(35-x)=63, (120-x)13=8

Найдем корни.

1) x + 3 * 25 = 87; 

x + 75 = 87;

x = 87 - 75;

x = 12.

2) 8 * 17 - x = 107; 

80 + 56 - x = 107;

136 - x = 107;

x = 136 - 107;

x = 36 - 7;

x = 29.

3) 555/5 - x = 74; 

111 - x = 74;

x = 111 - 74;

x = 37.

4) 2 * x + 87 = 93; 

2 * x = 93 - 87;

2 * x = 6;

x = 6/2;

x = 3.

5) 3 * (35 - x) = 63; 

35 - x = 63/3;

35 - x = 21;

x = 35 - 21;

x = 14.

6) (120 - x)/13 = 8; 

120 - x = 13 * 8; 

120 - x = 104; 

x = 120 - 104; 

x = 16.