dq+dr=rqtdjc225 wrote:studying the manhattan guides i see an answer explanation where they jump from:
dq+dr=rqt
to
q(d-rt)=-dt
what are the intermediate steps taken to do this?
send rqt to left side and bring dr to the right side.
dq - rqt = -dr
take q out as it is common.
q(d - rt) = -dr
