Question

Como resolver 5-2•[(-3)•(-2-6)÷(-4)+15]

Answer 1

$5 - 2 \times [(-3)\times \frac{-2-6}{-4}+15]\\\\5 - 2 \times [(-3)\times \frac{-8}{-4}+15]\\\\5 - 2 \times [(-3)\times 2+15]\\\\5 - 2 \times [-6+15]\\\\5 - 2 \times [9]\\\\5 - 18\\\\- 13$