1. Remove constant3x + 4 = 19Balance both sides. left side right side = 3x + 4193x = 15x = _Undo the visible number.Undo the visible number.
2. Divide coefficient3x + 4 = 19Balance both sides. left side right side = 3x1515 / 3 = 5x = _Divide by the x coefficient.Divide by the x coefficient.
3. Check3x + 4 = 19Balance both sides. left side right side = x5x = 5x = 5Substitute the answer back.Substitute the answer back.