Respuesta :

kaikeikey

Answer:

r=4

Step-by-step explanation:

Answer: r= -4

Step-by-step explanation: 5(r-(-2)) = -10 (get rid of parentheses)

5(r+2) = -10 (divide both sides by 5

r+2 = -2 (subtract 2 from both sides)

r = -4