Answer:
x=-3
Step-by-step explanation:
X+3=-x-3
(add x to x)
2x+3=-3
(subtract 3 from -3)
2x=-6
(divide -6 by 2)
Place like terms on the same side.
Keep in mind when a term is moved from its original position, it changes sign.
x+x=-3-3
i think 7
