Question

How do you evaluate the expression 8y + 3 + 4y if y=4 ?

Answer 1

`=color(blue)(51`

Explanation:

The expression given is
`8y + 3 + 4y`

And the value of `y` given is
`y=color(blue)(4`

Substituting the same

`8y + 3 + 4y = 8 * color(blue)(4) + 3 + 4 * color(blue)(4`

`=32 + 3 + 16`

`=color(blue)(51`