define equation. give an example of an equation and an example of an expression. use a variable in each example

Respuesta :

An equation is a statement that the values of two mathematical expressions are equal (indicated by the sign =).
6+t=14
minis 6 from both sides
t=8 
Equation has an equal sign .. expression doesn't !

Equation - 3x+5=9
Expression - 3y-12