Answer:
You have a negative 4 being added to the variable. To solve you need to use the opposite operation (what is the opposite of addition?)
For example:
7 = -3 + h
Subtraction -3 from each side.
7 -(-3) = -3- (-3) + h
10 = h
Explanation:
x = 10 so D
-4 + x = 6
add 4 both sides to get the x by itself
so 4 + 6 = 10
then the final answer is x = 10
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