12-5(3r+2)=17 I need help on that thats it please
12 - 5(3r + 2) = 17 |use distributive property a(b + c) = ab + ac12 - 15r - 10 = 172 - 15r = 17 |subtract 2 from both sides-15r = 15 |divide both sides by (-15)r = -1