Question

Sendo U = Q Determine a raiz Ou soluçao Da equaçao

2.(y-2) + 5.(2-y) = -3.(2y+2)

Answer 1

Basta fazer a distributiva:

$2 \cdot (y-2)+5 \cdot (2-y) = -3 \cdot (2y+2) \\\\ 2y-4+10-5y = -6y-6 \\\\ 2y-5y+6y = -6+4-10 \\\\ 3y = -12 \\\\ y = -\frac{12}{3} \\\\ \boxed{y = -4} \\\\\\ \boxed{\boxed{S=\{-4\}}}$