Write down the solution for this math problem: Solve -28*v + 24*v + 8 = 0 for v.
answer: 2

Write down the solution for this math problem: Solve 6861 - 7059 = 22*u for u.
answer: -9

Write down the solution for this math problem: Solve 4*u - 8*u = 49*u - 742 for u.
answer: 14

Write down the solution for this math problem: Solve -22*z + 779 = 7*z + 12*z for z.
answer:
19