Question

Aflati solutia ecuatiei $\frac{x+1}{3} + \frac{1}{2} = \frac{1}{6} ,$ ∈ Q 

Answer 1

$\frac{x+1}{3} + \frac{1}{2} = \frac{1}{6}$
$\frac{2(x+1)}{6} + \frac{3}{6} = \frac{1}{6}$ / ·6 ( înmulțim cu 6).
2x+2 + 3 = 1
2x + 5 = 1
2x = 1 - 5
2x = - 4 x
x = $\frac{-4}{2}$
= - 2.