# If 25y + 4 = 817 what is the value of 25y + 5?

Apr 26, 2017

See the solution process below:

#### Explanation:

We can write $25 y + 5$ as:

$\left(25 y + 4\right) + 1$

We know $25 y + 4$ is equal to $817$ so we can substitute $817$ for $25 y + 4$ giving:

$\left(817\right) + 1 \implies 817 + 1 \implies 818$