Question

2 (a +3) = 5 - 3 (a-2)?

Answer 1

2 (a +3) = 5 - 3 (a-2)

2a + 6 = 5 - 3a + 6

2a + 3a = 5 - 6 + 6

5a = 5

a = 1

Answer 2

$2(a + 3) = 5 - 3 \times (a - 2) \\ 2a + 6 = 5 - 3a + 6 \\ 2a + 3a = 5 \\ 5a = 5 \\ a = \frac{5}{5} \\ a = 1$
Espero ter ajudado!!!