10-8-13

Write the equations and complete the following:
 * Solve for y.
 * Is the equation linear?
 * Write a statement telling why it is or is not a linear equations?
 * 1) 2x + y = 14
 * 2) 7x = 7y + 21
 * 3) 2y = 0
 * 4) 4y = 8x 2 + 16x
 * 5) y/2 = 2/x