Solve: 13-(-3)+(-4)?12-(-2)-2 | Integer Operations with Multiple Signs

Fill in the missing sign (?):

$13-(-3)+(-4)?12-(-2)-2$

Let's solve the left side first, remembering the following rules:

$-(-x)=+x$

$+(-x)=-x$

Now, let's rewrite the expression in the appropriate form:

$13+3-4=$

Let's now solve the expression from left to right:

$13+3=16$

$16-4=12$

Next, we will solve the right-hand side, using the laws we covered earlier.

Let's now rewrite the expression in the appropriate form:

$12+2-2=$

Now, we can solve the expression from left to right:

$12+2=14$

$14-2=12$

Since both sides are equal, the appropriate sign is:

$12=12$