Remembering the battle of bunker hill, what did general Howe and his troops do

The British General had his men cross the Charles River attack the American forces on the other side, after defeating the troops he took command of all British forces in America at the time.

1.3x - 2 - (3.3x + 5) = 2x + 1

1.3x - 2 - 3.3x - 5 = 2x + 1

-2x - 7 = 2x + 1

-7 = 4x + 1

-8 = 4x

x = -2

the use of email to replace slower surface mail.