Respuesta :
-4(r+6)=-63
first: substitute -4 to the brackets (r+6)
-4r - 24 = - 63
add 24 to both sides
-4r - 24 + 24 = -63 + 24
simplify
-4r = -39
divide both sides by -4
r = 9.75
hope that helps
first: substitute -4 to the brackets (r+6)
-4r - 24 = - 63
add 24 to both sides
-4r - 24 + 24 = -63 + 24
simplify
-4r = -39
divide both sides by -4
r = 9.75
hope that helps
