Respuesta :
Answer:
so instead of the question mark u may substitute the value -17
(6-9+1)-(-17)=15
Answer:
Step-by-step explanation:
(6-9+1)-x=15
6-9= -3
-3+1 = -2
-2+2-x=15+2
-x=17 (divide both sides by -1)
x=-17
Answer:
so instead of the question mark u may substitute the value -17
(6-9+1)-(-17)=15
Answer:
Step-by-step explanation:
(6-9+1)-x=15
6-9= -3
-3+1 = -2
-2+2-x=15+2
-x=17 (divide both sides by -1)
x=-17