Sal shows how to solve a system of linear equations by graphing and looking for the point of intersection.
Learn to solve the system of equations -3x - 4y = -2 and y = 2x - 5 using substitution.
Sal solves the system of equations -3y + 4x = 11 and y + 2x = 13 using elimination.
Sal solves a word problem about the price of apples and oranges by creating a system of equations and solving it.
Sal solves a word problem about the number of nickels and quarters in a piggy bank by creating a system of equations and solving it.