Question

solve for r.
4r + 4r - 16r - r - 10r = 19
r =

Explanation:

Step1: Combine like - terms

$(4 + 4-16 - 1-10)r=19$
$(-19)r = 19$

Step2: Solve for r

$r=\frac{19}{-19}$

Answer:

$-1$