# How do you evaluate the expression 3x+2y+4+9y if x=8, y=4?

May 6, 2018

$72$

#### Explanation:

Plug in $8$ for $x$ and $4$ for $y$:

$3 \left(8\right) + 2 \left(4\right) + 4 + 9 \left(4\right)$

$24 + 8 + 4 + 36$

$36 + 36$

$72$