Question

4x-20+raiz36 =(-2)-(-5)

Answer 1

$4x-20+ \sqrt{36}= (-2)-(-5) \\ \\ 4x-20+6=-2+5 \\ \\ 4x= -2+5-6+20 \\ \\ 4x= 17\to \boxed{x= \frac{17}{4} }$

Espero que te sirva, salu2!!!!