Question

Use r =27 & x =3


`-(r)/(9)+ 5x`

Answer 1

12

Explanation:

`-(27)/(9)+5(3)`

- 3 + 15

15 - 3

12

Answer 2

12

Explanation:

First substitute the equation with the variable replacements given:

-r/9 + 5x <--- Before

-27/9 + 5(3) <--- After

Next Solve the parts of the Equation

-27/9 + 5(3)

-3 + 15 <--- -27 divided by 9 is -3, 5 times 3 is 15.

= 12 <--- 15 - 3 = 12.

I hope this helps!