Question

me ajudem pfvr!!



$\binom{x}{ 2} + 30° = x - 15°$​

Answer 1

Resposta:

x/2 + 30 = x - 15

x/2 = - 15 - 30

-1/2x + (45) = 0

x =

$\frac{ - 45}{ - \frac {1}{2} }$

x = 90