Respuesta :
- 28x+12 = 0
subtract both sides by 12
28x+12 - 12 = 0 - 12
simplify
28x = -12
divide both sides by 28
28x/28 = 12/28
simplify
x = 3/7
subtract both sides by 12
28x+12 - 12 = 0 - 12
simplify
28x = -12
divide both sides by 28
28x/28 = 12/28
simplify
x = 3/7