Question

me ajudem por favor equacoes

8
- a +3(5a+8)=9-3a
3

Answer 1

$\frac{8}{3} a + 3(5a + 8) = 9 - 3a \\ \frac{8}{3} a + 15a + 24 = 9 - 3a \\ \frac{8}{3} a + 15a + 3a = 9 - 24 \\ 20.6a = - 15 \\ a = \frac{ - 15}{20.6} \\ a = - 0.72$