Question

-2(3X+4)+4(3X-4)=-(-5X+4)-3

Answer 1

-2(3x+4)+4(3x-4) = -(-5x+4)-3
-6x-8+12x-16 = 5x-4-3
6x-24 = 5x-7

(Restamos a ambos lados 5x)

6x-5x-24 = 5x-5x-7
x-24 = -7

(Sumamos a ambos lados 24)

x-24+24 = -7+24
x = 17

Respuesta => x=17

Saludos Ariel