Write down the solution for this math problem: Solve 20 = 6*u + 8 for u.
answer: 2

Write down the solution for this math problem: Solve -141 + 183 = 6*a for a.
answer: 7

Write down the solution for this math problem: Solve -47*t = 3*t - 50 for t.
answer: 1

Write down the solution for this math problem: Solve -321*l + 8073 = -232*l + 1131 for l.
answer:
78