## Introductory Algebra for College Students (7th Edition)

The given number is a solution if it satisfies the given equation. Substitute $6$ to $y$ to obtain: $2y+7=4y-5 \\2(6)+7 = 4(6)-5 \\12+7 = 24-5 \\19=19$ The result is a true statement Thus, $6$ is a solution of the given equation.