Answer:
x=-3
Step-by-step explanation:
lets make the "?" to a "x"
2+x=-1
do the math and its x=-3
so that means 2+-3=-1
? = -3
2 + -3 = -1
You're adding negative 3 to positive 2 (2 + -3 = -1), which is the same thing as subtracting positive 3 minus positive 2 (2 - 3 = -1).
Hope this helps :)
