Respuesta :

levani
6x+2x-6=4x+x-18
8x-6-4x-x=-18
3x=-18+6
3x=-12
X=-4
The answer is d.-4
6x+2x-6=4x+x-18
8x-6=5x-18
8x-5x=-18+6
3x=-12
x=-4 so the correct answer is D
i hope this answer helped