Expressions in science square measure mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by degree operator in between.
Simplifying expressions mean redaction an identical maths expression with no like terms and through a compact manner.
To change expressions, we tend to tend to combine all kind terms and solve all the given brackets, if any, so at intervals the simplified expression, we tend to square measure about to be exclusively left with not like terms that cannot be reduced any.
On a graph with two or more different lines representing the two or more different equations in a system of equations, the solution to the system of equations is the point at which the different lines intersect.