How do you solve for A: A = 3w - 5A?
Put all the A's to one side of the equation and factor out the A
A = 3W - 5A
A + 5A = 3W
A(1 + 5) = 3W
Solve for x in xy + 6y = 5x
Solve for z in
#1/x + 2/y + 3/z = x/y#. Hint: think of putting everything on equal denominators.