Respuesta :
Answer:
r = 200
Step-by-step explanation:
divide both sides by 2
210 = r + 10 ( subtract 10 from both sides )
200 = r â r = 200
Answer:
r = 200
Step-by-step explanation:
divide both sides by 2
210 = r + 10 ( subtract 10 from both sides )
200 = r â r = 200