I need help demonstrating the solution process for this problem. First sentence to my problem will be "Let x=" and the second senctence will be Let y=

Need to write 2 equations and demostrate how to solve with either substitutions or elimination

A college student earned $7300 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 7% and the rest at 6%. If the student received a total of $458 in interest at the end of the year, how much was invested at 7%?