Yes.
-10
three plus seven equals ten
That word "equals" in there makes it an equation.
Unfortunately, due to limitations most mathematical symbols get removed and it leaves gibberish that is impossible to answer Please edit/re submit your question with a full sentence of what you want solved, replacing mathematical symbols by words: plus for + equals for = etc
10+30=70-30
The answer to the mathematical equation of 10 plus 90 is 100.
-4 plus 10 equals 6.
If x equals 10 and y equals 10, then 9x plus 8y equals 170.
x=10
12 + 10 + 11 equals 33
-10 plus 10 equals 0.
80 + 10 equals 90 so the missing value is zero, ie 80 + 10 = 90 - 0