Respuesta :
Answer:
Step-by-step explanation:
7-x=10
subtract -7 from both sides
-x=10-7
-x=3
x=-3
-3 is the answer and i am saying this cuz it needs to be longer than 20 characters or what ever
Answer:
Step-by-step explanation:
7-x=10
subtract -7 from both sides
-x=10-7
-x=3
x=-3