3t >3 is an equation in one variable.
False
3t > 3 is not an equation as it does not contain the equality sign.
An equation is a condition on a variable and is satisfied for a definite value of the variable.
For example, 3t + 3 = 6 is an equation in one variable. Here 't' is the variable and there is a '=' sign. The equation is satisfied for a definite value of 't'.