Hello!
Step-by-step explanation:
Algebraic expression is a mathematical expression that consists of variables, numbers, and operations.
First, you had to do is multiply by -1 from both sides of an equation by reversing inequality.


And then, you multiply by 10 from both sides of an equation.

And finally, simplify.

*So, it change positive to negative sign.*

*The answer must have a negative sign.*
Hope this helps!