## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

An ordered pair is a solution of an equation if its coordinates satisfy the equation itself. Substitute the x (x=5) and y (y=1) values of the given point into the given equation to obtain: $3y+4x=19 \\3(1)+4(5)=19 \\3+20=19 \\23 \ne 19$ Since the coordinates of the given point do not satisfy the given equation, then the given point is NOT a solution of the given equation.