Solving this equation for y, we get:
14x + 21 = 0
14x = -21
x = -21/14
x = -3/2
Therefore, the solution to the equation is x = -3/2.
Solving this equation for y, we get:
14x + 21 = 0
14x = -21
x = -21/14
x = -3/2
Therefore, the solution to the equation is x = -3/2.