У=3х-4,5

It looks like you have written an equation: у=3х-4,5.

To prepare for university exams, it's important to familiarize yourself with different types of equations, including linear equations like the one you have written.

In this equation, у is the dependent variable, and х is the independent variable. The equation represents a straight line on a graph with a slope of 3 and a y-intercept of -4.5.

To further prepare for your university exams, you can practice solving equations like this one. You can do this by applying algebraic techniques such as isolating the variable, graphing the equation, or solving for specific values of y or x. You can also practice graphing these equations to understand the relationship between the variables.

It's important to study and practice regularly to gain a strong understanding of different types of equations and their solutions. Additionally, reviewing other mathematical concepts and topics relevant to your exams will also be beneficial.