Question

3 × a - (40 - 13) = 3

Answer 1

3а-(27)=3
3а=30
а=30:3
а=10

Answer 2

3 * a - (40 - 13) = 3
3a - 27 = 3
3a = 3 + 27
3a = 30
a = 30 : 3
a = 10
Ответ: a = 10